350-601 Storage Network — 50 Questions

Question 1

An engineer is configuring a new Fibre Channel switch in a Cisco MDS environment. The switch will connect to end devices such as servers and storage arrays. Which two port types will be used on the switch to connect to these end devices?

Accepted Answer

F_port and FL_port. On a Fibre Channel switch, F_ports connect to N_ports on hosts and storage. N_ports are on end devices, not on the switch. E_ports are for ISLs between switches. NP_ports are used in NPV mode.

Answer

NP_port and VF_port

Answer

E_port and TE_port

Answer

N_port and NL_port

Question 2

A storage administrator needs to isolate Fibre Channel traffic between two departments in a data center using a single MDS switch. The administrator decides to create separate VSANs. Which statement about VSANs is true?

Accepted Answer

VSANs provide isolation similar to VLANs in Ethernet networks.. VSANs provide isolation similar to VLANs in Ethernet. Each VSAN has its own fabric services and does not share traffic with other VSANs.

Answer

VSANs share the same fabric services across all VSANs.

Answer

VSANs require separate physical interfaces for each VSAN.

Answer

VSANs cannot be used with FCoE.

Question 3

An engineer is designing an NPV deployment to scale the number of hosts connected to a Fibre Channel fabric. In NPV mode, which port type is used on the NPV switch to connect to the core switch?

Accepted Answer

NP_port. In NPV mode, the edge switch uses NP_ports to connect to the core switch's F_ports. NP_ports behave like N_ports and log in to the core fabric.

Answer

VN_port

Answer

E_port

Answer

F_port

Question 4

A company uses hard zoning based on World Wide Names (WWNs) to control access between servers and storage arrays. An administrator needs to add a new server with WWPN 50:00:00:00:00:00:01:23 to the zone. What is an advantage of hard zoning over soft zoning?

Accepted Answer

Hard zoning is enforced by the switch hardware and provides better security.. Hard zoning uses the FC address (or WWN) and is enforced by the switch ASIC, providing security even if a device spoofs its WWN? Actually, hard zoning by WWN uses the WWN to assign FC addresses and enforces zoning at the hardware level, while soft zoning relies on name server queries and can be bypassed. Hard zoning provides better security.

Answer

Hard zoning requires less configuration effort.

Answer

Hard zoning allows devices to communicate across VSANs.

Answer

Hard zoning prevents unauthorized devices from accessing the fabric even if they spoof a WWN.

Question 5

Which Fibre Channel addressing component uniquely identifies a port on a storage array and is used for zoning and target identification?

Accepted Answer

WWPN. A WWPN (World Wide Port Name) is a globally unique 64-bit identifier assigned to each Fibre Channel port. It is used for zoning and target identification.

Answer

FCID

Answer

WWN

Answer

WWNN

Question 6

An engineer configures an ISL between two MDS switches using E_ports. To utilize all available bandwidth, the engineer wants to bundle four physical links into a single logical link. Which technology should be used?

Accepted Answer

Fibre Channel PortChannel. Fibre Channel PortChannels aggregate multiple physical links into one logical link, providing increased bandwidth and redundancy. This is similar to Ethernet port channels.

Answer

NPV mode

Answer

FCoE trunking

Answer

EISL trunking

Question 7

A data center engineer is implementing FCoE and must ensure lossless behavior for Fibre Channel traffic over Ethernet. Which Data Center Bridging (DCB) mechanism prevents frame loss by pausing traffic on a per-priority basis?

Accepted Answer

Priority Flow Control (PFC). Priority Flow Control (PFC) is a DCB mechanism that provides per-priority pause to prevent frame loss, ensuring lossless delivery for FCoE traffic.

Answer

Data Center Bridging Exchange (DCBX)

Answer

FCoE Initialization Protocol (FIP)

Answer

Enhanced Transmission Selection (ETS)

Question 8

An iSCSI storage array is configured to support multipath I/O (MPIO) for high availability. The administrator needs to configure the initiator to use multiple network paths. What must be ensured for MPIO to work correctly?

Accepted Answer

The initiator must have multiple network interfaces and the storage must support multiple connections to the same LUN.. For MPIO to function, the initiator must have multiple network interfaces and the storage array must present the same LUNs via multiple target portal groups, each accessible via different IP addresses.

Answer

CHAP authentication must be disabled for MPIO.

Answer

All paths must use the same IP address on the initiator.

Answer

The storage array must present each LUN with a different LUN ID on each path.

Question 9

Which RAID level provides striping with parity and can tolerate a single disk failure while offering higher storage efficiency than RAID 1?

Accepted Answer

RAID 5. RAID 5 uses block-level striping with distributed parity, allowing recovery from a single disk failure with good storage efficiency (one disk worth of parity).

Answer

RAID 0

Answer

RAID 6

Answer

RAID 1

Question 10

A storage administrator is configuring synchronous replication between two storage arrays over a Fibre Channel link. Which characteristic best describes synchronous replication?

Accepted Answer

The write is acknowledged to the host only after data is written to both primary and secondary.. Synchronous replication writes data to both the primary and secondary storage before acknowledging the write to the host, ensuring zero data loss but increasing latency.

Answer

Data is written to the primary and then asynchronously to the secondary, reducing latency.

Answer

The secondary storage is used only for backup and is not actively updated.

Answer

Data is written to the primary and later replicated based on a schedule.

Question 11

An engineer is configuring FCoE on a Cisco MDS switch and needs to ensure that the switch can communicate with FCoE-enabled servers. Which FCoE port type should be used on the switch to connect to a server's CNA?

Accepted Answer

VF_port. In FCoE, a VF_port (Virtual F_port) on the switch connects to a VN_port (Virtual N_port) on the server's CNA. This is analogous to an F_port connecting to an N_port in native FC.

Answer

VE_port

Answer

NP_port

Answer

VN_port

Question 12

An administrator needs to configure zoning on a Cisco MDS switch. After creating zones and adding members, what must be done to activate the zoning configuration?

Accepted Answer

Assign zones to a zone set and then activate the zone set.. Zone sets must be activated to enforce zoning. The active zone set is the currently enforced zoning configuration. Multiple zone sets can be configured, but only one can be active.

Answer

Reboot the switch for changes to take effect.

Answer

Activate the zone set using the 'zone activate' command.

Answer

Save the configuration to startup-config.

Question 13

Which two advantages does thin provisioning provide in a storage array? (Choose two.)

Accepted Answer

Allows over-provisioning of storage capacity.. Thin provisioning allows over-allocation of storage capacity, presenting more space to applications than physically available, improving utilization. It also reduces power and cooling costs by using fewer physical disks initially.

Answer

Increases write performance by using faster disks.

Answer

Reduces the need for snapshots.

Answer

Eliminates the need for RAID protection.

Question 14

Which three components are required for a fully functional FCoE deployment in a data center? (Choose three.)

Accepted Answer

DCB-enabled Ethernet switches. FCoE requires Converged Network Adapters (CNAs) on servers, DCB-enabled switches, and FIP for initialization. The other options are not mandatory.

Answer

iSCSI initiator software

Answer

Fibre Channel switches with E_ports

Question 15

An administrator is configuring CHAP authentication for iSCSI. Which two statements about CHAP are correct? (Choose two.)

Accepted Answer

CHAP authentication is optional and can be disabled.. CHAP uses a three-way handshake (challenge, response, verification) and can be configured as one-way (target authenticates initiator) or mutual (both authenticate).

Answer

CHAP provides encryption of iSCSI data.

Answer

CHAP authentication is only used for discovery sessions.

Answer

CHAP uses a digital certificate for authentication.

Question 16

A storage administrator is configuring a new Fibre Channel fabric using Cisco MDS switches. The edge switches must connect to the core without participating in the full routing domain to conserve domain IDs. Which Fibre Channel feature should be configured on the edge switches?

Accepted Answer

NPV mode. N-Port Virtualization (NPV) mode allows an edge switch to connect to a core switch without consuming a Fibre Channel domain ID, scaling the fabric while reducing administrative overhead.

Answer

PortChannels

Answer

VSANs

Answer

EISL trunking

Question 17

An engineer is configuring zoning on a Cisco MDS switch. The requirement is to ensure that only the storage array ports with specific WWPNs can access the host initiators. Which zoning approach should be used to enforce this policy regardless of physical port changes?

Accepted Answer

Hard zoning by WWPN. Hard zoning based on WWPN ensures that membership is tied to the device's World Wide Port Name, so changes in physical connectivity do not affect the zone membership.

Answer

Soft zoning by WWPN

Answer

Soft zoning by port ID

Answer

Hard zoning by domain/port

Question 18

Which Fibre Channel port type is used to connect a host bus adapter (HBA) to a Fibre Channel switch in a point-to-point topology?

Accepted Answer

N-port. An N-port (Node port) is used on the host side, and an F-port (Fabric port) is used on the switch side. The question asks for the host side port type.

Answer

E-port

Answer

F-port

Answer

NP-port

Question 19

In a Fibre Channel over Ethernet (FCoE) deployment, which Data Center Bridging (DCB) feature is responsible for preventing frame loss due to congestion and ensuring the lossless behavior required for FCoE traffic?

Accepted Answer

Priority Flow Control (PFC). Priority Flow Control (PFC) is a per-priority pause mechanism that creates lossless links for specific traffic classes such as FCoE.

Answer

Data Center Bridging Exchange (DCBX)

Answer

Enhanced Transmission Selection (ETS)

Answer

Jumbo frames

Question 20

A network administrator needs to configure iSCSI multipath I/O (MPIO) for a host connecting to a storage array. Which requirement must be met to ensure that MPIO functions correctly with load balancing?

Accepted Answer

The host must have multiple network interfaces on different subnets. MPIO requires multiple paths between the initiator and target. Each path must be on a separate network interface and subnet to provide redundancy and load balancing.

Answer

The iSCSI initiator must use CHAP authentication

Answer

Jumbo frames must be enabled on all switches

Answer

The storage array must support synchronous replication