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计算机考试 | juniper认证考试

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单选题 In JUNOS software, which would prevent an OSPF router from importing the 10.0.0.4/30 summary route?()

A

Import policies are not allowed, so this is not possible.

B

Export policies are not allowed, so this not possible.

C

Apply a firewall filter matching 10.0.0./4/30 and reject the route.

D

Apply an import policy matching 10.0.0.4/30 and reject the route.

多选题 Which three authentication options does OSPF support?()

A

DES

B

MD5

C

Kerberos

D

Unauthenticated

E

Simple password

多选题 What are two characteristics of multi-filed classification?()

A

Implemented with firewall filters.

B

Typically configured on core routers.

C

Typically configured on customer facing routers.

D

Implemented with Behavior Aggregate (BA) classification.

单选题 In IS-IS, how does the restarting router inform its helpers that a restarts event occurred?()

A

Sending out a graceful restart PDU

B

Sending an LSP that contains no TLVs.

C

Sending out a restarts TLV with the RR bit set.

D

Reflooding its LSP with a maximum sequence number.

单选题 Routers A and B have an OC12c and a GE link between them and are running OSPF over both of these links.Which item is correct, assuming the default JUNOS software OSPF metric calculation?()

A

There are two equal cost paths between A and B

B

The GE link is the preferred path between A and B

C

The OC12c link is the preferred path between A and B

D

Manual metric assignment must be configured to determine the outcome.

单选题 What is the maximum suppress time for a damped route, by default?()

A

5 minutes

B

30 minutes

C

60 minutes

D

90 minutes

E

120 minutes

多选题 Which multicast groups support Auto-RP mapping and discovery?()

A

224.0.0.39

B

224.0.1.39

C

224.0.0.40

D

224.0.1.40

单选题 Which LSA is flooded across area boundaries?()

A

Type 1

B

Type 2

C

Type 3

D

Type 5

E

Type 7

单选题 In BGP graceful restart, how does a peer router indicate the end of a route exchange?()

A

An open message with the E bit set.

B

An update message with the E bit set.

C

An open message with an end-of-RIB marker.

D

An update message with an end-of-RIB marker.

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