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QUESTION 37
When setting up QoS, Which of the following DSCP values have a higher priority than af11?
A. af43
B. cs1
C. cs7
D. ef
Correct Answer: D
QUESTION 38
For Maximum efficiency and assured Quality of Service, If Traffic has been marked on the ingress of all edge router interfaces. Where should the QoS policy be applied?
A. egress of all edge router interfaces
B. egress of all core router interfaces
C. egress of all router interfaces
D. ingress of all core router interfaces
Correct Answer: C
QUESTION 39
What attribute is essential to the method that BGP uses to avoid routing loops?
A. MED
B. Origin
C. AS path
D. Next hop
E. Local preference
Correct Answer: C
QUESTION 40
Which of the following statements about BGP Route Reflection is true?
A. There can be no more than one Router Reflector in an Autonomous System
B. Route Reflection allows some I-BGP routers to re-advertise routes obtained from I-BGP peers
C. Route Reflection allows some E-BGP routers to re-advertise routes obtained from I-BGP peers
D. Router 5000 series router does not support Route Reflection
Correct Answer: B QUESTION 41
Border Gateway Protocol (BGP) RFC 1771 defines an autonomous system (AS) as a set of routers under a single technical administration, using an interior gateway protocol and common metrics to route packets with the AS.
A. True
B. False
Correct Answer: A QUESTION 42
Router A, B and C are in one Autonomous System, while Router D is in another AS. Router A can only talk to Router D via Router B or if the Local-preference of Router B is set to 200 and the local-preference of Router C is set to 150. How will traffic be affected?
A. Traffic will be balanced
B. Traffic priority will be through Router B
C. Traffic priority will be through Router C
D. local-preference has nothing to do with traffic priority
Correct Answer: B QUESTION 43
After issuing a default local preference 200 command, What other command needs issued before the local preference can take effect?
A. save
B. reset bgp all
C. reset recycle
D. reset saved configuration
Correct Answer: B QUESTION 44
Which of the following commands is NOT required for MPLS to work?
A. lsr-id
B. mpls ldp enable
C. mpls l2vc 2.2.2.2
Correct Answer: C QUESTION 45
True or False: The lsp statistics Index begins at 0, but the lsp display starts at 1, therefore FEC1=LSP index 0
A. True
B. False
Correct Answer: A QUESTION 46
An IP frame in an Ethernet packet enters an MPLS domain. Where is the MPLS header inserted?
A. After the IP header
B. Before the Ethernet header
C. Between the Ethernet header and the IP header
Correct Answer: C QUESTION 47
When must clock master be set when using IPoA on the Router 5000/6000 series routers?
A. never
B. only when configuring a CPE device connecting to the network
C. only when configuring back to back connections between CPE devices
D. always
Correct Answer: C QUESTION 48
Which type of Virtual Circuits does the Router 6000 family support?
A. PVCs only
B. SVCs only
C. PVCs and SVCs
Correct Answer: A QUESTION 49
What does the following command do? [RTA-Serial 0/0] standby interface dialer0
A. defines the ISDN interface that will be used only if the primary interface fails
B. defines ISDN as the primary link and that there is a standby link called dialer0
C. shares the traffic load with the primary interface and will take the full load if primary fails
D. temporarily puts interface into standby state, interface will reconnect when link-state changes
Correct Answer: A QUESTION 50
Which of following QoS methods does nothing when used with DSCP to provide QoS for Voice?
A. Class-based Queuing
B. Weighted Fair Queuing
C. Weighted Random early Detection
D. Traffic Shaping Correct Answer: B
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