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计算机考试 | juniper认证考试

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单选题 What is a valdi multicast MAC address?()

A

00:90:69:9F:EA:46

B

FF:FF:FF:FF:FF:FF

C

01:00:5E:28:12:95

D

99:99:99:99:99:99

多选题 Whitch three user authentication methos are supported by the Junos OS?()

A

RADIUS

B

CHAP

C

local user database

D

tacacs+

E

PAP

多选题 Which two statements are true about terms in a routing policy?()

A

A then statement is mandatory in a term

B

If a term does not contain a from statement, all routers match

C

If a term does not contain a from statement, the Junos OS will not commit

D

A then statement is not mandatory in a term

多选题 Which two commands allow you to return to a previous verision of software on the device?()

A

request sytem software add

B

request sytem software downgrade

C

request sytem software replace

D

request sytem software rollback

单选题 You issue the ping interface t1-1/1/0 1.1.1.1 bypass-routing count 1000 rapid command.Which statement is correct?()

A

The bypass-routing parameter is used to test the density on the T1 line

B

The bypass-routing parameter cannot be used on a T1 interface

C

The bypass-routing parameter allows you to ping a host through an interface that has no route through it

D

The bypass-routing parameter allows you to ping a local WAN interface without generating any outbound traffic

单选题 What is the default SNMP permision level on Junos devices?()

A

read

B

read-write

C

read-only

D

write

单选题 Which network mask is the equivalent of 255.255.248.0?()

A

/20

B

/21

C

/22

D

/23

单选题 Which directory does the Junos OS use to store syslog information by default?()

A

/var/messages

B

/var/syslog

C

/var/tmp

D

/var/log

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