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Q1. - (Topic 2)
Which statement is true if password-strength checking is enabled?
A. Short, easy-to-decipher passwords will be rejected.
B. The strength of existing passwords will be checked.
C. Special characters, such as the dollar sign ($) or the percent sign (%), will not be allowed.
D. Passwords become case-sensitive.
Answer: A
Explanation:
If a password is trivial (such as a short, easy-to-decipher password), the cisco NX_OS software will reject your password configuration if password-strength checking is enabled. Be sure to configure a strong password. Passwords are case sensitive.
Reference: http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/7-x/security/configuration/guide/b_Cisco_Nexus_9000_Series_NX-OS_Security_Configuration_Guide_7x/b_Cisco_Nexus_9000_Series_NX- OS_Security_Configuration_Guide_7x_chapter_01000.pdf
Q2. - (Topic 2)
When a local RBAC user account has the same name as a remote user account on an
A. The user roles from the remote AAA user account are applied, not the configured local user roles.
B. All the roles are merged (logical OR).
C. The user roles from the local user account are applied, not the remote AAA user roles.
D. Only the roles that are defined on both accounts are merged (logical AND).
Answer: C
Explanation:
If you have a user account configured on the local Cisco NX-OS device that has the same name as a remote user account on an AAA server, the Cisco NX-OS software applies the user roles for the local user account to the remote user, not the user roles configured on the AAA server.
Reference: http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/4_1/nx-os/security/configuration/guide/sec_nx-os-cfg/sec_rbac.html
Q3. - (Topic 3)
Which function does the graceful restart feature allow a Cisco Nexus 7000 Series router to perform?
A. Perform a rapid route convergence.
B. Initialize a standby supervisor transparently when one is present.
C. Remain in the data forwarding path through a process restart.
D. Maintain a management connection throughout a router restart.
Answer: C
Explanation:
Graceful Restart and Non Stop Routing both allow for the forwarding of data packets to continue along known routes while the routing protocol information is being restored (in the case of Graceful Restart) or refreshed (in the case of Non Stop Routing) following a processor switchover. When Graceful Restart is used, peer networking devices are informed, via protocol extensions prior to the event, of the SSO capable routers ability to perform graceful restart. The peer device must have the ability to understand this messaging. When a switchover occurs, the peer will continue to forward to the switching over router as instructed by the GR process for each particular protocol, even though in most cases the peering relationship needs to be rebuilt. Essentially, the peer router will give the switching over router a "grace" period to re-establish the neighbor relationship, while continuing to forward to the routes from that peer.
Reference: http://www.cisco.com/c/en/us/products/collateral/ios-nx-os-software/high-availability/solution_overview_c22-487228.html
Q4. - (Topic 3)
What is effect of the command “fabricpath load-balance unicast Iayer3”?
A. It configures F2 VDC FabricPath unicast load balancing
B. The command automatically load balances broadcast traffic
C. It configures F1/MI VDC FabricPath unicast load balancing
D. It configures M1 VDC FabricPath unicast load balancing
Answer: C
Explanation:
The F1 cards are complemented by M1 card for routing purposes. When using M1 cards in the same virtual device context (VDC) as the F1 card, routing is offloaded to the M1 cards, and more routing capacity is added to the F1 card by putting more M1 ports into the same VDC as the F1 card.
Q5. - (Topic 4)
Which two Cisco Nexus platforms support Adapter FEX? (Choose two.)
A. Cisco Nexus 7000 Series Switches
B. Cisco Nexus 5000 Series Switches
C. Cisco Nexus 5500 Series Switches
D. Cisco Nexus 4000 Series Switches
E. Cisco Nexus 2000 Series Fabric Extenders
Answer: C,E
Explanation:
At the access layer, the Adapter-FEX requires a FEX-enabled adapter on a server that connects to a parent device that supports virtualization of interfaces. The Adapter-FEX is supported on the following platforms:
•The Cisco Unified Computing System (UCS) platform supports Adapter-FEX between UCS servers and the UCS Fabric Interconnect.
•The Adapter-FEX is supported on the Cisco Nexus 5500 Series platform and on the Cisco Nexus 2200 Fabric Extender that is connected to a Cisco Nexus 5500 Series parent device. This implementation works on a variety of FEX-capable adapters, including the Cisco UCS P81E virtual interface card (VIC) adapter for the UCS C-Series platform and third party adapters such as the Broadcom BCM57712 Convergence Network Interface Card, that implement the virtual network tag (VNTag) technology.
Reference: http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/operations/adapt er_fex/513_n1_1/ops_adapter_fex/ops_using_adapter_fex.html
Q6. - (Topic 1)
Which GLBP load-balancing algorithm ensures that a client is always mapped to the same VMAC address?
A. vmac-weighted
B. dedicated-vmac-mode
C. shortest-path and weighting
D. host-dependent
Answer: D
Explanation:
Host dependent—GLBP uses the MAC address of the host to determine which virtual MAC address to direct the host to use. This algorithm guarantees that a host gets the same virtual MAC address if the number of virtual forwarders does not change.
Reference: http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/5_x/nx-os/unicast/configuration/guide/l3_cli_nxos/l3_glbp.html
Q7. - (Topic 3)
Which SCSI terminology is used to describe source and destination nodes?
A. hosts and targets
B. initiators and targets
C. HBA and disks
D. initiators and disks
E. HBA and targets
Answer: B
Explanation:
In computer data storage, a SCSI initiator is the endpoint that initiates a SCSI session, that is, sends a SCSI command. The initiator usually does not provide any Logical Unit Numbers (LUNs).
On the other hand, a SCSI target is the endpoint that does not initiate sessions, but instead waits for initiators' commands and provides required input/output data transfers. The target usually provides to the initiators one or more LUNs, because otherwise no read or write command would be possible.
Reference: http://en.wikipedia.org/wiki/SCSI_initiator_and_target
Q8. - (Topic 3)
In policy-based routing, which action is taken for packets that do not match any of the route-map statements?
A. forwarded after the egress queue empties on the outbound interface
B. forwarded using the last statement in the route map
C. forwarded using the closest matching route-map statement
D. forwarded using destination-based routing
Answer: D
Explanation:
Each entry in a route map contains a combination of match and set statements. The match statements define the criteria for whether appropriate packets meet the particular policy (that is, the conditions to be met). The set clauses explain how the packets should be routed once they have met the match criteria.
You can mark the route-map statements as permit or deny. You can interpret the statements as follows:
• If the statement is marked as permit and the packets meet the match criteria, the set clause is applied. One of these actions involves choosing the next hop.
• If a statement is marked as deny, the packets that meet the match criteria are sent back through the normal forwarding channels, and destination-based routing is performed.
• If the statement is marked as permit and the packets do not match any route-map statements, the packets are sent back through the normal forwarding channels, and destination-based routing is performed.
Reference: http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/7-x/unicast/configuration/guide/l3_cli_nxos/l3pbr.pdf
Q9. - (Topic 3)
FabricPath switch-id is 25 and load-balance is configured for L3/L4 and rotate amount is 14 byte. What information is true about FabricPath switch-id?
A. FabricPath topology requires manual configuration of switch-id which has a range from 1 to 4095
B. Every FabricPath must have a manually configured switch-id for it to form a FabricPath topology
C. FabricPath topology requires manual configuration of switch-id which has a range from 1 to 4099
D. You do not have to manually assign a switch ID unless you are running a virtual port channel plus (vPC+) because the system assigns a switch ID for you when you enable FabricPath
Answer: D
Explanation:
fabricpath switch-id (vPC)
To configure a virtual port channel plus (vPC+) switch ID, use the fabricpath switch-id command. To remove the FabricPath switch from a vPC domain, use the no form of this command.
fabricpath switch-id switch-id
no fabricpath switch-id [ switch-id ]
Usage Guidelines
You do not have to manually assign a switch ID (unless you are running a vPC+); the system assigns a switch ID for you when you enable FabricPath.
Note You must assign the same vPC+ switch ID to each of the two vPC+ peer devices before they can form an adjacency.
This command requires an Enhanced Layer 2 license.
Examples
This example shows how to configure a vPC+ switch ID on a FabricPath-enabled device: switch# configure terminal
switch(config)# vpc domain 1
switch(config-vpc-domain)# fabricpath switch-id 1
Configuring fabricpath switch id will flap vPCs. Continue (yes/no)? [no]
Q10. - (Topic 4)
Refer to the exhibit.
Which statement based on these two outputs that were collected 24 hours apart is true?
A. The Site 2 OTV edge device has gone down.
B. The MAC address cannot be discovered on two separate port channel interfaces.
C. The MAC address that ends in 020a moved to the local site 23 hours ago.
D. The Overlay1 IP address should be a multicast IP address.
Answer: C