350-601 Practice Test 3 — 10 Questions

Question 1

In a VXLAN EVPN fabric using BGP as the control plane, which BGP address family is used to exchange MAC/VTEP reachability information between VTEPs?

Accepted Answer

L2VPN EVPN. In a VXLAN EVPN fabric, the L2VPN EVPN address family (AFI 25, SAFI 70) is used to exchange MAC/VTEP reachability information between VTEPs. This address family carries BGP EVPN routes (type-2 for MAC/IP advertisements) that include the MAC address, VNI, and VTEP IP, enabling the control plane to distribute host reachability without flooding.

Answer

IPv4 unicast

Answer

IPv6 unicast

Answer

VPNv4 unicast

Question 2

Match each Cisco data center automation tool to its primary use.

Accepted Answer

Intersight: Cloud-based management platform. Automation tools streamline data center operations. UCS Manager handles server management, ACI automates network policy, Intersight offers cloud management, and Nexus Dashboard provides monitoring. The distractors swap these roles.

Answer

UCS Manager: Automates network policy management

Answer

ACI: Manages Cisco UCS blade and rack servers

Question 3

An engineer is designing a Layer 3 network for a data center using OSPF. The core switches are connected to aggregation switches. To optimize convergence, which OSPF network type should be used on the links between core and aggregation?

Accepted Answer

point-to-point. In a data center spine-leaf architecture, the links between core (spine) and aggregation (leaf) switches are typically point-to-point Layer 3 links. Configuring OSPF network type point-to-point (option D) on these interfaces eliminates the need for DR/BDR election, reduces hello and dead timers (default 10s/40s vs 30s/120s for broadcast), and allows faster convergence because OSPF immediately forms a neighbor adjacency without waiting for election delays.

Answer

broadcast

Answer

non-broadcast

Answer

point-to-multipoint

Question 4

An engineer wants to run a Python script on a Nexus switch without copying it to the bootflash. The script interacts with the switch's CLI and file system. Which feature allows this?

Accepted Answer

Guest shell. Guest shell provides a Linux environment on Nexus where Python scripts can run directly.

Answer

OnEX

Answer

NX-API REST

Answer

EEM with Python applets

Question 5

Sequence the steps for configuring OSPF on a Cisco Nexus switch in a data center fabric.

Accepted Answer

First, create the OSPF process with 'router ospf '. Second, configure the router ID with 'router-id '. Third, enable OSPF on interfaces using 'ip router ospf area '. Finally, verify with 'show ip ospf'.. OSPF configuration involves creating the process, setting router ID, enabling on interfaces, and verification.

Answer

First, configure the router ID before creating the OSPF process, then create the process, then enable on interfaces, then verify.

Answer

First, create the OSPF process, then enable OSPF on interfaces, then configure the router ID, then verify.

Answer

First, enable OSPF on interfaces, then create the OSPF process, then set router ID, then verify.

Question 6

Refer to the exhibit. An automation script queries the Cisco Nexus 9000 using the NX-API JSON format and receives the above output. The script is designed to validate that interface Eth1/1 is in access mode with VLAN 100. However, the script reports a failure. What is the most likely reason?

Accepted Answer

The script uses strict type checking, and the values are returned as strings instead of integers.. The NX-API returns all values as strings in JSON output, including numeric fields like VLAN IDs. If the script uses strict type checking (e.g., `===` in Python or JavaScript), comparing the string '100' to the integer 100 will fail, even though the interface is correctly configured in access mode with VLAN 100. This is a common pitfall when parsing NX-API responses without explicit type conversion.

Answer

The JSON output is malformed and cannot be parsed.

Answer

The interface is administratively down.

Answer

The JSON output is missing the 'switchportMode' field.

Question 7

An engineer is configuring a Cisco MDS switch to connect to a core switch in NPV mode. The edge switch will be connected to the core via an ISL. What port mode should be configured on the edge switch's interface connecting to the core?

Accepted Answer

NP-port. In NPV (N_Port Virtualization) mode, the edge switch does not participate in the core fabric's domain ID space. Instead, its uplink to the core acts as an NP-port (N-port proxy), which behaves like an N-port to the core but proxies logins from the edge devices. Therefore, the interface on the edge switch connecting to the core must be configured as an NP-port.

Answer

F-port

Answer

E-port

Answer

auto

Question 8

An engineer notices that a vPC peer link is flapping. Which vPC component must be operational for the vPC to function correctly?

Accepted Answer

vPC peer link. The vPC peer link is the critical component that must be operational for the vPC to function correctly. It carries control-plane traffic (e.g., Cisco Fabric Services over Ethernet, or CFSoE) and data-plane traffic between the two vPC peer switches. If the peer link flaps, the vPC domain cannot synchronize the necessary state information, causing the vPC to fail or become unstable.

Answer

vPC member port

Answer

vPC consistency check

Answer

vPC peer keepalive link

Question 9

A company is deploying a Cisco UCS Mini in a remote office. They need to support both VMware vSphere and Microsoft Hyper-V on the same UCS domain. What is the best practice for deploying compute resources for both hypervisors?

Accepted Answer

Create separate service profile templates for each hypervisor. Separate service profile templates are required because VMware vSphere and Microsoft Hyper-V have different boot and storage configuration requirements. Each hypervisor needs its own boot policy (e.g., SAN boot vs. local disk), firmware settings, and potentially different vNIC/vHBA configurations. Using distinct templates ensures that each hypervisor's compute resources are correctly provisioned without conflicts.

Answer

Use a single service profile but assign different VLANs for management traffic

Answer

Place each hypervisor in a separate UCS Organization within the same service profile template

Answer

Create a single service profile template and use different identity pools for each hypervisor

Question 10

A network engineer is configuring OSPF on a Cisco Nexus switch for a data center network. The requirement is to ensure that the switch does not become the Designated Router (DR) on a multi-access segment. Which OSPF configuration achieves this?

Accepted Answer

Set OSPF priority to 0 on the interface. Setting the OSPF priority to 0 on the interface prevents the switch from participating in the DR/BDR election process, ensuring it will never become the Designated Router (DR) or Backup Designated Router (BDR) on a multi-access segment. This is the standard method per RFC 2328 to make a router ineligible for DR/BDR status while still allowing it to form full adjacencies with the DR and BDR.

Answer

Set OSPF priority to 255 on the interface

Answer

Change the OSPF network type to point-to-point

Answer

Configure the interface as passive under OSPF