單項(xiàng)選擇題What is the default maximum transmission unit on the Cisco router ATM interface？（）

A.4470 bytes
B.1516 bytes
C.9288 bytes
D.1500 bytes
E.1492 bytes


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1.單項(xiàng)選擇題What are the Address Family Identifier （AFI） and Subsequent Address Family Identifier （SAFI） values forVPNv6？（）

A.AFI is 2， SAFI is 96
B.AFI is 1， SAFI is 98
C.AFI is 1， SAFI is 64
D.AFI is 1， SAFI is 128
E.AFI is 2， SAFI is 128
F.AFI is 2， SAFI is 64

2.單項(xiàng)選擇題Which statement about L2VPN Pseudowire Switching is not true？（）

A.L2VPN Pseudowire Switching allows the user to extend L2VPN Pseudowires across an inter-AS boundary
B.L2VPN Pseudowire Switching allows the user to extend L2VPN Pseudowires across two separate MPLS networks
C.Quality of service is not supported per Pseudowire
D.L2VPN Pseudowire Switching connects two or more contiguous Pseudowires segments to from an end-to-end multihop Pseudowire
E.The Cisco MPLS Traffic Engineering tunnel selection is not supported

3.多項(xiàng)選擇題Which three BGP attributes are carried by TLV？（）

A.local preference
B.weight
C.origin
D.Network Layer Reachability Information
E.multiple exit discriminator

4.多項(xiàng)選擇題When the Cisco IOS OSPF command ip ospf dead-interval minimal hello-multiplier 5 is configured， which two statements are true？ （）

A.OSPF hello interval is 5 seconds
B.OSPF hello interval is 1 second
C.OSPF dead interval is 1 second
D.OSPF dead interval is 5 seconds
E.OSPF dead interval is 20 seconds
F.OSPF hello interval is 0.2 second

5.多項(xiàng)選擇題Which four of these statements are restrictions for Frame Relay PVC bundles with QoS support for IP and MPLS？ （）

A.A PVC bundle will not come up unless all the precedence， DSCP， and EXP levels are configured in thebundle.
B.A PVC bundle can perform precedence and DSCP matching at the same time
C.A PVC bundle may contain no more than sixteen PVCs
D.A PVC can be in only one PVC bundle
E.A PVC bundle cannot perform precedence and DSCP matching at the same time.
F.A PVC bundle may contain no more than eight PVCs.

6.多項(xiàng)選擇題In which two ways does the BGP graceful capability preserve prefix information during a restart？（）

A.The peer router immediately removes the BGP routers that it learned from the restarting router from itsBGP routing tables.
B.The router establishes BGP sessions with other routers and relearns the BGP routes from others that are also capable of graceful restart. The restarting router waits to receive updates from the neighboringrouters. When the neighboring routers send end-of-RIB messages to indicate that they are donesending updates，the restarting router starts sending its own updates.
C.The peer router sends an end-of-RIB message to the restarting router.
D.The restarting router removes any stale prefixes after the timer for stale entries expires.
E.The restarting router does not remove any stale prefixes after the timer for stale entries expires.

9.單項(xiàng)選擇題In which Cisco IOS configuration mode is the route distinguisher （RD） configured？（）

A.R1（config-route-at）#
B.R1（config-route-map）#
C.R1（config-it）#
D.R1（config-vrf）#
E.R1（config）#
F.R1（router）#

10.多項(xiàng)選擇題Which two statements about MPLS point-to-multipoint traffic engineering （P2MP TE） are true？ （）

A.P2MP TE uses an OSPF extension that is different from the OSPF extension that is used in P2P TE
B.Loose path is not supported in P2MP TE
C.Multiple IP multicast groups can map to one P2MP tunnel
D.Affinity is not supported in P2MP TE
E.P2MP TE uses Constrained Shortest Path First （CSPF） to calculate paths