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单选题 What command would you use to view an IS-IS adjacency?()

A

show iso neighbor

B

show isis neighbor

C

show iso adjacency

D

show isis adjacency

单选题 If all OSPF routers on a broadcast network have the same OSPF priority, what parameter is used to determine the new BDR at the time of a DR failure?()

A

area ID

B

router ID

C

loopback address

D

IP address of interface on broadcast network

单选题 How often are IS-IS Hello packets transmitted?()

A

3 seconds for DIS; 9 seconds for non-DIS

B

9 seconds for DIS; 3 seconds for non-DIS

C

10 seconds for DIS; 3 seconds for non-DIS

D

10 seconds for all routers

多选题 A firewall filter is applied as an input filter on a transit interface. What three types of traffic will this affect? ()

A

inbound traffic transiting the router

B

outbound traffic transiting the router

C

traffic destined to the Routing Engine

D

traffic destined to the interface address on which the filter is applied

多选题 What are two purposes of the AS_PATH attribute?()

A

route selection

B

loop avoidance

C

determining equal cost paths for reachablilty

D

defining the application of other BGP attributes

多选题 What are the three components of the ISO NET address?()

A

Area ID

B

N-selector

C

System ID

D

AS number

E

ISO number

F

MAC address

单选题 How do you enable interface fe-0/0/0 under the [edit protocols isis] level to form both a Level 1 and Level 2 adjacency?()

A

set interface fe-0/0/0.0

B

set interface fe-0/0/0.0 all level

C

set interface fe-0/0/0.0 level 3 enable

D

set interface fe-0/0/0.0 level 1 level 2

单选题 What is the purpose of the OSPF link-state update packet?()

A

describes a change to the OSPF hello timer

B

carries one or more link-state advertisements

C

establishes and maintains neighbor relationships

D

describes the contents of the entire link-state database

单选题 Two Level 2 routers are exchanging Hello packets with different Area IDs. What occurs between these routers?()

A

An Adjacency forms.

B

An Adjacency does not form.

C

An Adjacency forms but traffic is not forwarded.

D

No IS-IS PDUs are sent.

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