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.

6.多項選擇題Which three options are considered in the spanning-tree decision process?()

A.lowest root bridge ID
B.lowest path cost to root bridge
C.lowest sender bridge ID
D.highest port ID
E.highest root bridge ID
F.highest path cost to root bridge

7.多項選擇題Which three options are features of VTP version 3?()

A.VTPv3 supports 8K VLANs.
B.VTPv3 supports private VLAN mapping.
C.VTPv3 allows for domain discovery.
D.VTPv3 uses a primary server concept to avoid configuration revision issues.
E.VTPv3 is not compatible with VTPv1 or VTPv2.
F.VTPv3 has a hidden password option.

8.單項選擇題Spanning Tree Protocol calculates path cost based on which of these? ()

A. interface bandwidth
B. interface delay
C. interface bandwidth and delay
D. hop count
E. bridge priority

9.多項選擇題Loop guard and UniDirectional Link Detection both protect against Layer 2 STP loops. In which two ways does loop guard differ from UDLD in loop detection and prevention? ()

A. Loop guard can be used with root guard simultaneously on the same port on the same VLAN while UDLD cannot
B. UDLD protects against STP failures caused by cabling problems that create one-way links.
C. Loop guard detects and protects against duplicate packets being received and transmitted on different ports
D. UDLD protects against unidirectional cabling problems on copper and fiber media.
E. Loop guard protects against STP failures caused by problems that result in the loss of BPDUs from a designated switch port.

10.多項選擇題Which two options are contained in a VTP subset advertisement?()

A.followers field
B.MD5 digest
C.VLAN information
D.sequence number

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Based on the output provided in the exhibit, to which address or location will the router forward a packet sent to 192.168.32.1?()

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Which of these best describes the actions taken when a VTP message is received on a switch configuredwith the VTP mode "transparent"?()

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

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Two routers configured to run BGP have been connected to a firewall, one on the inside interface and one on the outside interface. BGP has been configured so the two routers should peer, including the correctBGP session endpoint addresses and the correct BGP session hop-count limit EBGP multihop. What is agood first test to see if BGP will work across the firewall?()

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