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计算机考试 | juniper认证考试

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章节目录

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 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 What is the first step in BGP route selection?()

A

The local router prefers the route with the shortest as-path.

B

The router first verifies that it has a route to the bgp Next Hop IP address.

C

The local router prefers the route from the peer with the lowest peer id address.

D

The local router prefers the route learned from an ebgp peer over a route learned from an ibgp peer.

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 Once the TCP connection is established, which message type initiates the BGP peering process?()

A

Open

B

Active

C

Update

D

Keepalive

E

Notification

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

单选题 What type of OSPF router is responsible for redistributing routes into OSPF?()

A

ABR

B

ASBR

C

internal router

D

backbone router

单选题 Which CLI command is used to see the current OSPF link-state database?()

A

show ospf database

B

show ospf neighbor

C

show protocols ospf

D

show ospf link-state

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 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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