单项选择题What is a requirement to enable Cisco IOS IPS with 5.x signature?()

A.disable Zone-Based Firewall as the two features are not compatible
B.disable Cisco Express Forwarding as the two features are not compatible
C.generate a certificate and export on Cisco.com to receive a signature update
D.import the public RSA key from the Cisco IPS team that allows the router to verify that a signatureupdate (which was signed by this key) comes from Cisco


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1.单项选择题You add the following commands into a routed topology: router eigrp 1 variance 3 traffic-share min across-interfaces. Users now complain about voice quality in your VoIP system. What should be done? ()

A. Add the command: router eigrp 1 traffic-share voice interface fast 0/0
B. Reconfigure EIGRP to recognize voice packets
C. Remove the variance from the configuration
D. Reconfigure the VoIP system to use RTP sequence number headers
E. Use an H '323 gatekeeper for your VoIP system to negotiate an H'245 uneven packet buffer
F. Reconfigure EIGRP to version 2

2.单项选择题Which command can be used to check the assignment of RPs to multicast groups?()

A.show ip pim rendez-vous
B.show ip rpf rp mapping
C.show ip pim rp mapping
D.show ip pim rp info
E.show ip pim

3.单项选择题What does the command ip pim send-rp-discovery scope 16 achieve?()

A.it enables PIM BSR
B.it makes the router an Auto-RP mapping agent
C.it advertises the router as an RP with Auto-RP
D.it makes the router an Auto-RP client

4.单项选择题What is the default behaviour of PIM-SSM If there are multiple equal-cost paths to the multicast source?()

A.It will send the join only to the neighbor with the highest IP address.
B.It will send the join only to the neighbor with the lowest IP address.
C.It will send the join in a round-robin fashion across all neighbors.
D.It will send the join to all neighbors.

5.单项选择题What is the RP for IPv6 multicast address FF76:0130:2001:db8:3811::2323?()

A.2001:db8:3811::1
B.2001:db8:3811::2323
C.2001:db8:3811::0130
D.2001:db8:3811::3
E.2001:db8:3811::6

6.多项选择题Which three factors have the biggest influence on OSPF scalability?()

A.Flooding paths and redundancy
B.Amount of routing information in the OSPF area or routing domain
C.Number of routers with Cisco Express Forwarding enabled
D.Number of neighbor adjacencies
E.Other routing protocols in use
F.OSPF timer reconstruction negotiation
G.Redistribution with BGP neighbors
H.Redistribution with other IGP routing protocols, such as RIP or EIGRP

7.单项选择题Two BGP peers connected through a routed firewall are unable to establish a peering relationship. What could be the most likely cause? ()

A. BGP peers must be Layer 2-adjacent
B. EBGP multihop is not configured
C. The firewall is not configured to allow IP protocol 89
D. The firewall is not configured to allow UDP 179.

8.单项选择题

Refer to the exhibit. Users on the 199.155.24.0 network are unable to reach the 172.16.10.0 network. What is the most likely solution?()

A. Router ISP1 should be configured to peer with router B
B. Router ISP2 should be configured with no synchronization
C. Router ISP1 should be configured with no synchronization
D. Router ISP2 should be configured with no auto-summary.
E. Router ISP1 or IPS2 should be configured with network 176.16.10.0 mask 255.255.255.0

9.单项选择题Which mechanism does OSPFv3 use when the router LSA is too big to be sent out?()

A.It relies on IPv6 to do the fragmenting.
B.It splits the LS Update packet into smaller packets.
C.It splits the LSA into smaller router LSA packets.
D.It produces an error.

10.单项选择题

Refer to the exhibit. Routers A and B are directly connected and running OSPF, but they are unable to form a neighbor relationship. What is the most likely cause?()

A. The routers are not on the same network.
B. The network statements do not match.
C. The process number does not match.
D. The MTU does not match.
E. The OSPF cost does not match.
F. There is a physical issue with the cable.

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In order to configure two routers as anycast RPs, which of these requirements, af a minimum, must besatisfied?()

题型:单项选择题

An expanding company is deploying leased lines between its main site and two remote sites. Thebandwidth of the leased lines is 128kb/s each,terminated on different serial interfaces on the main router.These links are used for combined VOIP and data traffic. The network administrator has implemented a VOIP solution to reduce costs,and has therefore reserved sufficient bandwidth in a low latency queue oneach interface for the VOIP traffic. Users now complain about bad voice quality although no drops areobserved in the low latency queue. What action will likely fix this problem?()

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What is also called Type 0 authentication in OSPF on Cisco Routers?()

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Which message type is constructed and sent from an MSDP router to its MSDP peers when it receives a PIM register message knowing that the MSDP router is also configured as an RP for the PIM domain?()

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