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A customer is deploying Cisco ACI with a requirement to isolate tenant traffic in a multi-tenant environment. They want to ensure that a tenant admin can only manage their own tenant's objects. Which RBAC configuration should be implemented?
2An engineer needs to secure the management plane on a Cisco Nexus 9000 switch. Which feature should be configured to restrict access to the switch's management interface based on source IP?
3An organization is deploying Cisco ACI in a brownfield data center. They have existing VLANs that need to be mapped to ACI EPGs. The network team notices that some VLANs are used across multiple tenants. How should the engineer design the VLAN pool to support overlapping VLANs?
4A network administrator suspects that a rogue DHCP server is active on the data center network. The switches are Cisco Nexus 9000 series running NX-OS. Which configuration should be applied to prevent DHCP spoofing?
5A data center switch is configured with 802.1X port-based authentication for edge ports. Users report authentication failures. The engineer wants to verify the authentication status of a specific interface. Which command should be used?
6An engineer is configuring Cisco ACI to secure inter-tenant traffic. Tenants 'TenantA' and 'TenantB' need to communicate via a shared service, such as a DNS server in TenantA. How should the contract be configured?
7A data center architect is designing security for a Cisco ACI fabric that must comply with PCI DSS. The requirement is to encrypt all traffic between EPGs within the same tenant. Which solution should be used?
8Which TWO of these are best practices for securing the Cisco ACI fabric?
9Which THREE of the following are valid methods to secure the control plane on a Cisco Nexus 9000 switch?
10Which TWO of the following are required components for a Cisco ACI contract to allow communication between EPGs?
11A large financial institution has a Cisco ACI fabric with multiple tenants. The security team requires that all management access to the APIC controllers be authenticated via multi-factor authentication (MFA) using a RADIUS server. The RADIUS server is configured to send a One-Time Password (OTP) challenge during authentication. The current configuration uses local authentication. The engineer needs to implement RADIUS authentication with MFA for APIC GUI and CLI access. The RADIUS server is reachable at 10.10.10.10, shared secret 'SecureSecret123'. The APIC is running software version 4.2(3). The engineer must ensure that local authentication is used as fallback if the RADIUS server is unreachable. Which of the following actions should the engineer take?
12A data center engineer is troubleshooting connectivity issues between two EPGs in the same tenant on a Cisco ACI fabric. The first EPG 'web_epg' is in VLAN 100 and the second EPG 'db_epg' is in VLAN 200. The contract 'web_to_db' allows TCP port 3306 from web_epg to db_epg. The EPGs are in the same VRF. The engineer has verified that the physical connectivity is correct and the endpoints are learning their IP addresses. However, traffic from web_epg to db_epg is not reaching the destination. The engineer checks the contract and sees that the subject 'mysql_access' has filter 'mysql' with direction 'both'. The provider is db_epg and consumer is web_epg. The engineer also notices that the default action in the contract is 'deny'. What is the most likely cause of the issue?
13An engineer is configuring AAA on a Cisco Nexus switch to authenticate management access via TACACS+. The switch is reachable, but login attempts repeatedly fail. Which action should the engineer take to isolate the issue?
14A data center architect is designing access control for a Cisco ACI fabric. The requirement is to allow HTTP traffic from the web tier (EPG web) to the app tier (EPG app), but deny SSH from the management EPG to the web EPG. Which construct should be used?
15A network engineer is troubleshooting CoPP drops on a Cisco Nexus 9000 switch. The 'show control-plane' output indicates that packets are being dropped due to 'CoPP' on the 'default' control-plane class. Which action is most likely to resolve the issue without affecting routing protocol stability?
16An organization is deploying Cisco ISE for 802.1X authentication on Cisco Nexus switches. Some endpoints fail authentication and fall back to the MAB. The security policy requires that endpoints failing both 802.1X and MAB be placed in a restricted VLAN. Which configuration is needed on the switch port?
17Which TWO statements about Cisco TrustSec in a data center are true?
18Refer to the exhibit. A server connected to Ethernet1/1 is experiencing intermittent connectivity. The server sends BPDUs, causing the switch to place the port into a blocking state. Which configuration change should be made to prevent this while maintaining rapid convergence?
19A company runs a multi-tenant data center using Cisco ACI with multiple tenants. Each tenant has its own VRF and EPGs. The security policy requires that tenant A's web servers (EPG web_tenantA) be accessible from tenant B's application servers (EPG app_tenantB) only via HTTPS (TCP 443). The ACI fabric is configured with contracts. The administrator has created a contract with a filter for HTTPS (tcp dstPort 443) and applied it as a provider contract on EPG web_tenantA and as a consumer contract on EPG app_tenantB. However, traffic from tenant B's app servers to tenant A's web servers is being dropped. The administrator has verified that the contracts are applied correctly and the filter is correct. What is the most likely cause of the traffic drop?
20Order the steps to upgrade the software on a Cisco Nexus switch using ISSU.
21Match each Cisco data center security feature to its purpose.
22A network engineer is configuring device access control for Cisco NX-OS switches. The requirement is to use a protocol that separates authentication, authorization, and accounting, and encrypts all communication except the header. Which solution meets this requirement?
23A data center switch has DHCP snooping enabled globally. Which of the following is a best practice to ensure DHCP server legitimacy?
24An engineer notices that AAA authentication using RADIUS is failing, and the RADIUS server logs show no incoming authentication requests. Which of the following is the most likely cause?
25A data center switch is experiencing high CPU due to excessive BGP updates. Which action can mitigate this without affecting legitimate BGP traffic?
26An organization uses VXLAN EVPN for network segmentation. Which component provides per-tenant isolation of control plane traffic?
27A server team reports that after connecting a new server to a switchport, the server can receive traffic but cannot send traffic. The port is configured with port security. What is the most likely cause?
28A company uses Cisco ISE for 802.1X authentication on data center edge switches. After a recent upgrade, some endpoints that previously authenticated successfully now fail. The ISE logs show the endpoint is in the wrong authorization profile. What is the most likely cause?
29An attacker attempts to spoof a legitimate client's IP address to intercept traffic. DHCP snooping is enabled. Which feature prevents this spoofing by validating source IP in data packets?
30Two data center switches are connected via a fiber link. They need to encrypt all traffic at Layer 2. Which configuration is required on both switches to establish MACsec?
31Which two statements are true about Cisco TrustSec? (Choose two.)
32Which two mechanisms are used by Dynamic ARP Inspection to prevent ARP spoofing? (Choose two.)
33Which three actions can be taken when a port security violation occurs? (Choose three.)
34Refer to the exhibit. A DHCP server is connected to Ethernet1/1 and a client in VLAN 10 is connected to Ethernet1/2. The client obtains an IP address. Which statement is best supported?
35Refer to the exhibit. An administrator connects a new server to Ethernet1/1 and the port immediately goes into errdisable state. The previous device was connected to that port. What is the most likely cause?
36A network administrator configures DHCP snooping on a Nexus 9000 switch. The legitimate DHCP server is connected to Ethernet 1/1. An unauthorized DHCP server is detected on Ethernet 1/2. Which action should be taken to prevent the unauthorized server from offering IP addresses?
37A Nexus switch experiences high CPU utilization due to excessive ICMP traffic. An engineer applies a CoPP policy that includes a class matching ICMP with a drop action. After applying, legitimate OSPF hello packets are also being dropped. What is the most likely cause?
38An engineer wants to prevent unauthorized devices from connecting to access ports. Which port security violation mode will disable the port and generate a syslog message?
39A VACL is configured to capture traffic between hosts in the same VLAN. The capture port is configured and the VACL is applied to the VLAN. However, no traffic is being captured. What is a likely reason?
40Two Nexus switches are configured for MACsec using MKA. The link between them is up, but MKA does not establish. Which issue is most likely?
41An administrator configures 'aaa authentication login default group tacacs+ local'. What happens if the TACACS+ server is unreachable?
42In a private VLAN configuration, a host in a community VLAN needs to communicate with a host in the primary VLAN. What configuration is required on the switch?
43In an ACI fabric, an EPG is configured with a contract that allows HTTP traffic to an external network. The external network is reachable via a Layer 3 Outside. However, HTTP traffic from the EPG fails. What is the most likely cause?
44A data center switch port is configured for 802.1X with MAB as fallback. A device that does not support 802.1X is connected. Which method will allow the device to authenticate?
45Which TWO security features rely on the DHCP snooping binding table? (Select exactly 2)
46Which THREE are characteristics of Cisco TrustSec? (Select exactly 3)
47Which TWO features are used to validate ARP packets and prevent ARP spoofing attacks? (Select exactly 2)
48Refer to the exhibit. A client connected to Ethernet1/2 cannot obtain an IP address via DHCP. What is the most likely cause?
49Refer to the exhibit. The CoPP policy above is applied. Which traffic is most likely to be dropped?
50Refer to the exhibit. Two Nexus switches are connected via Ethernet1/1. MKA does not initiate. What is the issue?
51A network engineer is configuring VLAN ACLs on a Cisco Nexus 9000 switch to enforce traffic filtering between VLANs. Which configuration step is required to apply a VACL to a VLAN?
52A data center administrator is implementing Cisco TrustSec on a Nexus 7000 switch to enforce role-based access control. After configuring a security group tag (SGT) classification policy, users report that traffic between two servers is not being tagged. What is the most likely cause?
53During a security audit, you discover that a Cisco Nexus 9000 switch is allowing traffic between two ports in the same VLAN despite having a VLAN ACL that should deny it. The VACL is applied correctly, and the ACL entries are properly configured. What is the most likely reason for this behavior?
54An engineer needs to implement port security on a Cisco Nexus 1000v virtual switch to prevent MAC flooding attacks. The requirement is to allow only the first MAC address learned on the port. Which command sequence accomplishes this?
55A Cisco ACI fabric administrator wants to implement microsegmentation using Cisco Group-Based Policy (GBP) in a network that hosts virtual machines and bare-metal servers. Which component must be used to enforce microsegmentation policies for bare-metal servers?
56A network administrator is configuring copp (Control Plane Policing) on a Cisco Nexus 9300 to protect the control plane from high-rate traffic. After applying the policy, the switch becomes unresponsive to SSH sessions, but ICMP still works. What is the most likely misconfiguration?
57A data center engineer is configuring 802.1X authentication on Cisco Nexus switches for wired endpoints. The requirement is to allow traffic on the port even if no EAPOL packet is received from the endpoint (e.g., a printer). Which authentication method should be used?
58A Cisco ACI fabric has contracts configured to allow traffic between two EPGs. After deployment, traffic between endpoints in these EPGs is being dropped, but contract statistics show no packets have been permitted. The administrator checks the contract configuration and it looks correct. What is the most likely cause?
59An organization is deploying Cisco Nexus 9000 switches with NX-OS and needs to prevent ARP spoofing attacks. The network engineer enables Dynamic ARP Inspection (DAI) on all VLANs. However, some legitimate hosts are unable to obtain IP addresses via DHCP. What is the most likely reason?
60Which TWO of the following are valid methods to enforce security on a Cisco Nexus switch? (Choose two.)
61Which TWO security features are used to prevent MAC address flooding attacks on a Cisco Nexus switch? (Choose two.)
62Which THREE of the following must be enabled to implement 802.1X authentication with MAB fallback on a Cisco Nexus switch for a mixed environment of 802.1X-capable and non-802.1X endpoints? (Choose three.)
63Refer to the exhibit. The TACACS+ server at 10.1.1.1 is unreachable. What will happen when a user tries to authenticate to the switch using SSH?
64Refer to the exhibit. The configuration is intended to provide Layer 2 isolation within VLAN 100 while allowing the promiscuous port (Ethernet 1/1) to communicate with all ports in the community VLAN. However, hosts in VLAN 100 cannot communicate with each other. What is the most likely misconfiguration?
65A data center engineer configures an ACL on a Nexus 9000 switch to block all traffic from the management network (10.10.0.0/16) to the production servers (192.168.1.0/24) except for SSH access from a specific jump host (10.10.1.100). The ACL is applied inbound on the management interface. Which ACL entry is correctly ordered to achieve this requirement?
66An engineer needs to ensure that only authorized servers can connect to a specific switch port in a data center. The port connects to a critical database server with fixed MAC address 00:1a:2b:3c:4d:5e. Which configuration is most appropriate?
67A Nexus 7000 switch is experiencing high CPU utilization due to control plane traffic. The engineer notices that many packets are being punted to the CPU from the data plane, particularly ARP packets. After examining the CoPP configuration, the engineer sees that the 'arp' class-map is matched in a policy-map with a police rate of 1000 pps and a conform-action of 'transmit'. The current ARP rate is 2000 pps. What is the immediate impact?
68A company uses Cisco TrustSec in its data center to enforce segmentation. Servers in VLAN 10 (Finance) should only communicate with servers in VLAN 20 (ERP) via an application gateway. Which TrustSec component is used to assign a Security Group Tag (SGT) to traffic from the Finance servers?
69A data center network engineer wants to encrypt all traffic between two top-of-rack (ToR) switches that are connected via a direct link. The encryption should be transparent to upper-layer protocols and operate at Layer 2. Which technology should be used?
70An engineer is troubleshooting a DHCP issue in a data center VLAN. Clients are unable to obtain IP addresses from the DHCP server. The switch has DHCP snooping enabled on the VLAN, and the DHCP server is connected to a trusted port. The clients are on untrusted ports. Which additional security feature is most likely causing the problem if the DHCP server is on a different subnet and the switch is not configured as a DHCP relay?
71A network administrator wants to prevent IP spoofing attacks on a data center access switch. The switch has IP Source Guard enabled on the client-facing ports. Which condition must be met for IP Source Guard to work properly?
72Which control plane protection mechanism should be configured to limit the rate of BGP updates destined to the CPU of a Nexus 9000 switch to prevent CPU overload?
73An ACI fabric administrator wants to enable microsegmentation for workloads in a Virtual Routing and Forwarding (VRF) instance. The security policy must allow communication between two endpoints based on their EPG (Endpoint Group) membership, regardless of IP address. Which construct must be used?
74Which TWO statements about Cisco TrustSec in a data center environment are true? (Choose two.)
75Which THREE security features are commonly used on Cisco Nexus switches to prevent DHCP-based attacks? (Choose three.)
76Which THREE are best practices for securing a data center network? (Choose three.)
77A network administrator implements the ACL shown. After verifying the ACL statistics, all counters show 0 matches. What is the most likely cause?
78An engineer observes that ARP packets are being dropped. Based on the exhibit, what is the drop rate percentage for ARP packets?
79A large enterprise data center uses Cisco ACI with a spine-leaf architecture. The security team requires that all traffic between the Web and App tiers be inspected by a firewall, but traffic within the same tier should be allowed directly. The Web EPG is in VRF PROD with Bridge Domain WEB-BD, and App EPG is in VRF PROD with Bridge Domain APP-BD. The firewall is connected as a service graph device in a different VRF (FW-VRF). The administrator configures a contract between Web and App EPGs that redirects traffic through the firewall. However, after implementation, traffic from Web to App is not passing through the firewall; instead, it is forwarded directly. The contract is applied correctly. What is the most likely cause?
80A network engineer is troubleshooting inter-VLAN routing on a Cisco Nexus 9000 switch. The switch is configured with VLAN 10 and VLAN 20. Hosts in VLAN 10 cannot ping hosts in VLAN 20. The engineer checks the VLAN ACL (VACL) applied to VLAN 10 and finds the following configuration: ip access-list VACL-FILTER 10 permit ip any any ... vlan access-map VACL-MAP 10 match ip address VACL-FILTER action forward vlan filter VACL-MAP vlan-list 10 What is the most likely reason for the connectivity failure?
81An engineer is configuring AAA authentication on a Cisco MDS 9000 series switch. The goal is to authenticate users via RADIUS first, then local as a fallback. Which command sequence should be used?
82Which THREE methods can be used to propagate Cisco TrustSec Security Group Tags (SGTs) across a network? (Choose three.)
83Which TWO statements are true about Control Plane Policing (CoPP) on a Cisco Nexus 9000 switch? (Choose two.)
84A data center network uses Cisco Nexus 9000 switches running NX-OS. The operations team notices that the CPU utilization on the supervisor module spikes intermittently, causing BGP session flaps. Analysis shows that the CPU spikes coincide with traceroute probes from external networks, which generate ICMP TTL exceeded messages that are process-switched. The engineer must implement a solution to protect the control plane without affecting normal ICMP functionality. The goal is to rate-limit ICMP traffic to a maximum of 1000 packets per second with a burst of 200 bytes, while allowing other control plane traffic without restriction. Which configuration should be applied?
85A Cisco MDS 9000 switch is used in a storage network. The security policy requires that a junior administrator named 'user1' can view zone configurations but cannot make any changes. Currently, 'user1' is assigned the default 'network-operator' role, which allows read-only access to most configuration, but the engineer wants to ensure that zone modification is explicitly denied. The engineer creates a custom role named 'zone-viewer' and assigns it to 'user1'. The role should permit viewing of the running configuration related to zones but deny any command that modifies zone or zoneset configurations. Which configuration best achieves this objective?
86A network engineer is configuring DHCP snooping on a Cisco Nexus 9000 switch to prevent rogue DHCP server attacks. The switch connects to the legitimate DHCP server on Ethernet 1/1. Clients are connected to ports Ethernet 1/2 through 1/24. The engineer enables DHCP snooping globally and on VLAN 10, but clients are unable to obtain IP addresses from the DHCP server. Other connectivity between clients and the server works (e.g., static IPs). What is the most likely cause and solution?
87In a Cisco Application Centric Infrastructure (ACI) fabric, a tenant has two EPGs: Web and App. A contract is created between Web (consumer) and App (provider) with a filter that permits TCP port 8080 (the only port used by the application). However, traffic from App to Web is failing. The application requires bidirectional communication: Web initiates requests to App on TCP 8080, and App responds on the same connection (stateful). The engineer verifies that the filter is correctly applied and that both EPGs are in the same VRF. The contract is applied in the direction Web -> App. What is the most efficient way to resolve this issue without compromising security?
88Two Cisco Nexus 9000 switches are connected via Ethernet interface 1/1. The engineer wishes to secure the link using MACsec (IEEE 802.1ae) with a pre-shared key for connectivity association key (CAK) protection. Both switches have the same hardware and software version supporting MACsec. The engineer configures the following on both switches: feature macsec macsec policy MACSEC_POLICY cipher-suite gcm-aes-128 security-mode no-encrypt mka sak-rekey-time 30 interface ethernet 1/1 macsec policy MACSEC_POLICY However, the link comes up without MACsec encryption (the port counter shows MACsec frames dropped). The engineer checks that the pre-shared key is configured correctly via 'macsec key-chain' but notices it was not explicitly applied. What is the most likely reason for MACsec failing to establish?
89A network engineer is implementing port security on a Cisco Nexus 9000 switch to limit the number of MAC addresses learned on a single access port. The switchport is configured as follows: interface Ethernet 1/2 switchport mode access switchport port-security switchport port-security maximum 2 switchport port-security violation shutdown switchport port-security mac-address sticky After connecting two authorized devices, a third unauthorized device is connected, causing the port to enter the err-disabled state. The engineer needs to restore connectivity for the two authorized devices as quickly as possible, while maintaining the security posture. What is the best practice to recover the port automatically in the future?
90Which TWO methods are used to secure management plane access on Cisco Nexus 9000 series switches?
91Refer to the exhibit. What is the effect of this configuration on traffic in VLAN 10?
92A data center engineer is troubleshooting high CPU utilization on a Cisco Nexus 9000 switch. The engineer suspects a distributed denial-of-service (DDoS) attack targeting the switch. To mitigate the attack, the engineer configures a Control Plane Policing (CoPP) policy that drops all ICMP packets destined to the switch. The policy is applied to the control-plane using the 'service-policy input COPP' command. After applying the policy, the switch CPU utilization remains high, and ICMP traffic is still reaching the switch. The engineer verifies that the CoPP policy is applied and that the class-map matches ICMP. The policy-map has the correct police and drop actions. No other CoPP policies are applied. What is the most likely cause of the issue?
93In ACI, which model is used for micro-segmentation to allow traffic between EPGs?
94An engineer needs to deny all traffic between two EPGs in ACI while allowing other EPG communications. Which construct should be used?
95Which protocol is recommended by Cisco for network device administration AAA due to its separation of authentication, authorization, and accounting?
96A Nexus switch is experiencing high CPU utilization due to control plane traffic. Which feature should be configured to protect the CPU?
97In Cisco TrustSec, which technology is used to enforce east-west traffic policies based on identity without relying on IP addresses?
98An administrator wants to prevent a rogue DHCP server from assigning IP addresses on a Nexus switch. Which feature should be enabled?
99Which Nexus security feature validates the source IP address of packets on a per-port basis and drops packets with invalid source IPs?
100An organization uses Cisco TrustSec to tag traffic. An endpoint is assigned SGT 5 (Developers) and another SGT 10 (Testers). The SGACL on the leaf switch permits traffic from SGT 5 to SGT 10 for HTTP but denies other. Which action is taken by the leaf switch?
101Which feature on Nexus switches prevents ARP spoofing attacks by validating ARP packets?
102An administrator needs to limit the number of MAC addresses learned on a Nexus access port to prevent MAC flooding attacks. Which feature should be configured?
103In UCS Manager, which feature provides role-based access control for managing the fabric interconnects?
104Which technology provides at-rest encryption for disk drives in UCS servers?
105An organization wants to encrypt Fibre Channel traffic in-flight between storage and servers. Which standard should be used?
106Which TWO features are commonly used together to prevent IP spoofing on a Nexus switch? (Choose two.)
107An engineer is hardening a Nexus switch. Which THREE actions should be taken? (Choose three.)
108A network engineer is configuring micro-segmentation in an ACI fabric. Two EPGs, Web and App, must communicate via HTTPS only. Which type of contract should be applied between the EPGs?
109Which authentication protocol is recommended by Cisco for network device administration due to its separation of authentication, authorization, and accounting?
110A Nexus switch is being hardened. An engineer wants to protect the control plane from CPU-targeted attacks, such as heavy ICMP traffic. Which feature should be configured?
111An engineer is deploying Cisco TrustSec in a data center. Which technology uses Security Group Tags (SGTs) to enforce east-west traffic policies without relying on IP addresses?
112In a UCS environment, an administrator needs to restrict access to the UCS Manager so that only specific users can configure server policies. Which feature should be used?
113Which security feature on a Nexus switch prevents a rogue DHCP server from assigning invalid IP addresses to clients?
114A data center uses self-encrypting drives (SEDs) in UCS servers. Which type of protection does SED provide?
115An engineer applies an IPv4 ACL to a Nexus switch interface. The ACL must permit traffic from host 10.1.1.1 to host 10.2.2.2 on TCP port 443 and deny all other traffic. Which configuration is correct?
116A Nexus switch is configured with port security. Which violation action will cause the switch to shut down the interface when a security violation occurs?
117In an ACI fabric, a security policy requires that traffic from EPG1 to EPG2 be denied, but all other inter-EPG traffic is permitted by default. Which type of contract should be used?
118Which Nexus security feature validates ARP packets to prevent ARP spoofing attacks?
119An engineer is configuring 802.1X for network access control. Which AAA protocol should be used for communication between the authenticator (switch) and the authentication server?
120Which feature on a Nexus switch uses DHCP snooping binding information to filter IP traffic on a per-port basis?
121A UCS administrator needs to ensure that only the fabric interconnect management plane is accessible from the management network. Which feature should be implemented?
122An engineer wants to enforce security policies in a data center based on user identity rather than IP addresses. Which Cisco technology enables identity-based tagging and policy enforcement?
123A network engineer is hardening a Nexus switch. Which two security best practices should be applied? (Choose two.)
124An engineer is deploying data encryption in a SAN environment. Which two methods provide at-rest encryption? (Choose two.)
125Which three features are used on Nexus switches to mitigate Layer 2 attacks? (Choose three.)
126An engineer is configuring micro-segmentation in an ACI fabric. Which object defines the whitelist model for communication between EPGs?
127A Nexus switch is configured with DHCP snooping. Which switchport mode is required for trusted ports to prevent rogue DHCP server attacks?
128A network administrator must enforce security policies for east-west traffic in a Cisco TrustSec-enabled data center without using IP-based ACLs. Which technology should be used?
129Which AAA protocol is recommended by Cisco for network device administration, as it separates authentication, authorization, and accounting?
130An engineer needs to protect the control plane of a Nexus 9000 switch from CPU-targeted attacks. Which feature should be configured?
131In a UCS environment, which method provides management plane isolation for the fabric interconnects?
132A Nexus administrator wants to apply an IPv4 ACL to filter traffic on a specific VLAN. Which command is correct?
133Which feature prevents IP spoofing by ensuring that a client uses only the IP address assigned by DHCP?
134An organization requires disk encryption for data at rest in their UCS environment. Which technology should be used?
135In ACI, a tenant requires that all traffic between two EPGs is denied except for specific HTTP traffic. Which policy elements must be configured?
136A network engineer is hardening a Nexus 9000 switch. Which action is most effective in reducing the attack surface?
137Which Nexus feature dynamically validates ARP packets to prevent man-in-the-middle attacks?
138In Cisco TrustSec, what is used to tag traffic based on identity or group membership?
139A data center architect needs to enforce role-based access control for UCS Manager. What is the correct approach?
140Which encryption technology is used to secure Fibre Channel traffic in flight between storage and switches?
141A security engineer is deploying IP Source Guard on a Nexus switch. Which two components must be operational for IP Source Guard to function correctly?
142An organization wants to encrypt data at rest in a storage array. Which two technologies can be used? (Choose two.)
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