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计算机考试 | juniper认证考试

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单选题 What is the purpose of unicast reverse path forwarding?()

A

to validate packet receipt on interfaces where the traffic should be received

B

to forward packets out the interfaces where the traffic should be received

C

to forward packets out the interfaces where the traffic should be sent

D

to validate packet receipt on interfaces where the traffic should be sent

单选题 In the exhibit, what does the (>) symbol indicate?()

A

There is a software issue with ge-1/0/1.0 interface.

B

There is a hardware issue with ge-1/0/1.0 interface.

C

The next hop of 172.25.213.11 is selected.

D

The next hop of 172.25.213.11 is not resolvable.

单选题 How do you write the current candidate configuration to the permanent storage media?()

A

[edit]   user@router# save /var/tmp/current.conf

B

[edit]   user@router# write /var/tmp/current.conf

C

[edit]   user@router# commit /var/tmp/current.conf

D

[edit]   user@router# dump /var/tmp/current.conf

多选题 Which two statements are true about the rescue configuration file?()

A

It must include a root password.

B

It is rollback file number 50, and you can recover it by issuing rollback 50.

C

It is created by issuing request system configuration rescue save.

D

It is updated automatically when you commit.

单选题 What represents the binary equivalence of 207?()

A

11001111

B

11101011

C

11010111

D

11010101

单选题 Which statement describes an advantage of dynamic routing?()

A

Dynamic routing is typically more scalable when compared to static routing.

B

Unlike static routing, dynamic routing requires no initial user configuration.

C

Unlike static routing, dynamic routing provides redundant IP addresses for end-user devices.

D

Dynamic routing provides DNS services along with IP connectivity, whereas static routing does not.

单选题 Given the configuration shown in the exhibit, what is the function of the protect-loopback filter?()

A

to protect the Routing Engine

B

to protect all interfaces on the device

C

to protect the Packet Forwarding Engine

D

to protect the management interface

单选题 When attempting to view the OSPF routes in the routing table, you issue the command show route table inet.3 but no OSPF routes are displayed. What is the problem?()

A

The OSPF routes are located in the inet4.0 routing table.

B

The OSPF routes are located in the inet.0 routing table.

C

The OSPF routes are located in the inet.2 routing table.

D

The OSPF routes are located in the inet4.3 routing table.

多选题 You have been asked to establish reachability between Router 1's and Router 2's loopback addresses as shown in the exhibit.Which two steps will accomplish this task?()

A

Create a static route on Router 1 to 172.17.28.1 with a next hop of 10.10.10.2.

B

Create a static route on Router 1 to 172.17.28.1 with a next hop of 10.10.10.1.

C

Create a static route on Router 2 to 172.17.25.1 with a next hop of 10.10.10.1.

D

Create a static route on Router 1 to 172.17.25.1 with a next hop of 10.10.10.2.

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