Question 1.
Based on the following output in ITCertKeys 1, which statement is true ITCertKeys 1#show mpls forwarding-table 50.0.0.3 detail Local Outgoing Prefix Bytes tag Outgoing Next Hop tag tag or VC or Tunnel Id switched interface 19 17 50.0.0.3/32 0 Et0/0 192.168.0.14 -------

A. None of the other alternatives apply.
B. If a labeled packet arrives with the top most label of 19, it will be replaced with label 17 and 
    sent out on Ethernet 0/0 interface.
C. If a labeled packet arrives with the top most label of 17, it will be replaced with label 19 and 
    sent out on Ethernet 0/0 interface.
D. If a labeled packet arrives with the top most label of 17, all the labels will be removed and a 
    clear IP packet is sent to Next Hop 192.168.0.14 on Ethernet 0/0.

Answer: B

Question 2.
Based on the following output in a router A running LDP, which statement is true? show mpls ldp bindings 50.0.0.1 32
tib entry: 50.0.0.1/32, rev 5
local binding: tag: imp-null
remote binding:tsr:50.0.0.4:0, tag:16

A. The IP address 50.0.0.1/32 is assigned to the non-directly connected LDP neighbor, 50.0..0.4.
B. The IP address 50.0.0.1/32 is assigned to its directly connected LDP neighbor, 50.0..0.4.
C. None of the other alternatives apply.
D. The IP address 50.0.0.1/32 is assigned to one of its own interfaces.

Answer: D

Question 3.
What OSPF LSA is used to support MPLS-traffic Engineering ?

A. Opaque LSA (Type 9 )
B. Opaque LSA (Type 10 )
C. NSSA LSA (Type 7 )
D. Opaque LSA (Type 11 )
E. External LSA (Type 5 )

Answer: B

Question 4.
What statement about Transit AS is true?

A. Traffic and prefixes originating from Source AS are carried across a Transit AS to reach their 
    destination AS.
B. None of the other alternatives apply.
C. Traffic and prefixes originating from Transit AS are carried across a Stub AS to their 
    destination AS.
D. Traffic and prefixes originating from Transit AS are carried across a Stub AS to their Source 
    AS.

Answer: A

Question 5.
In which state can BGP peers exchange Update messages?

A. Idle
B. OpenConfirm
C. OpenSent
D. Active
E. Established

Answer: E

Question 6.
Which of the following technologies can improve convergence time following a link failure in a service provider network?

A. VPLS
B. MPLS TE FR
C. RSVP
D. MPLS VPN
E. SNMP
F. BFD

Answer: B, F

Question 7.
A Successor is:

A. Any neighbor that is in the path towards the destination.
B. Any neighbor that is in the path towards the destination and whose reported distance equals 
    the feasible distance.
C. A neighbor that has met the feasibility condition
D. A neighbor that has met the feasibility condition and has the lowest cost path towards the 
    destination

Answer: D

Question 8.
Which of the following processes in IOS XR run exclusively on the Route Processor?

A. gsp
B. wdsysmon
C. sysmgr
D. mpls_idp
E. bgp

Answer: D, E

Question 9.
In which of the following lists of APS Action Requests is the priority correctly arranged from lowest to highest?

A. Wait-to-Restore, Forced Switch, Manual Switch, Lockout of Protection.
B. Wait-to-Restore, Manual Switch, Forced Switch, Lockout of Protection
C. Wait-to-Restore, Manual Switch, Lockout of Protection, Forced Switch
D. Manual Switch, Wait-to-Restore, Lockout of Protection, Forced Switch.
E. Lockout of Protection, Forced Switch, Manual Switch, Wait-to-Restore
F. Lockout of Protection, Manual Switch, Forced Switch, Wait-to-Restore

Answer: B

Question 10.
Which two statements regarding the IS-IS DIS election process are true? (Choose Two.)

A. A priority of 0 will prevent a router from becoming a DIS.
B. Separate L1 and L2 election processes are held on a brodcast network.
C. Adding a router with a higher priority than the current DIS will result in the new router 
    becoming DIS.
D. L1 routers on a broadcast network only establish adjacencies with the DIS.
E. If there is a tie based on priority, the router whose attached interface has the lowest MAC 
    address becomes the DIS.
F. If the DIS becomes unavailable the backup DIS is promoted to DIS.

Answer: B, C

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