單項選擇題What is the first thing that happens when IPv6 is enabled on an interface on a host?()

A.A router solicitation is sent on that interface.
B.There is a duplicate address detection on the host interface.
C.The link local address is assigned on the host interface.
D.A neighbor redirect message is sent on the host interface.


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1.單項選擇題What action will a BGP route reflector take when it receives a prefix marked with the community attribute NO ADVERTISE from a client peer?()

A.It will advertise the prefix to all other client peers and non-client peers.
B.It will not advertise the prefix to EBGP peers.
C.It will only advertise the prefix to all other IBGP peers.
D.It will not advertise the prefix to any peers.

2.單項選擇題

Refer to the exhibit. Which switching feature is being tested?()

A. loop guard
B. PortFast
C. root guard
D. BDPU guard

3.多項選擇題Which two options does Cisco PfR use to control the entrance link selection with inbound optimization?()

A.Prepend extra AS hops to the BGP prefix.
B.Advertise more specific BGP prefixes (longer mask).
C.Add (prepend) one or more communities to the prefix that is advertised by BGP.
D.Have BGP dampen the prefix.

4.多項選擇題Which three combinations are valid LACP configurations that will set up a channel?()

A.On/On
B.On/Auto
C.Passive/Active
D.Desirable/Auto
E.Active/Active
F.Desirable/Desirable

5.單項選擇題In 802.1s, how is the VLAN to instance mapping represented in the BPDU?()

A.The VLAN to instance mapping is a normal 16-byte field in the MST BPDU.
B.The VLAN to instance mapping is a normal 12-byte field in the MST BPDU.
C.The VLAN to instance mapping is a 16-byte MD5 signature field in the MST BPDU.
D.The VLAN to instance mapping is a 12-byte MD5 signature field in the MST BPDU.

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

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You are the network administrator of an enterprise with a main site and multiple remote sites. Your networkcarries both VOIP and data traffic. You agree with your service provider to classify VOIP and data trafficaccording to the different service RFCs. How can your data and VOIP traffic be marked?()

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Choose two commands that are required to enable multicast on a router, when it is known that thereceivers use a specific functionality of IGMPv3.()

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Which command is used to enable SSM with the range 232.0.0.0 - 255.0.0.0?()

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Which three message types are valid PIMv2 message types?()

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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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In GLBP,which router will answer on client ARP requests?()

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What is true about Unicast RPF in strict mode?()

題型:單項選擇題

What is the correct command to set the router ID for an OSPFv3 process?()

題型:單項選擇題

What is the command to configure RSVP to reserve up to one-tenth of a Gigabit link,but only allow eachindividual flow to use 1 MB/s?()

題型:單項選擇題