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Question No.71

Which three commands will cause a logical interface to go administratively down after being committed? (Choose three.)

1. shutdown

2. deactivate

3. disable

4. down

5. delete

Correct Answer: BCE

Question No.72

What is a valid IPv6 address?

A. 00:05:85:23:45:67

B. 127.0.0.1

C. 2001:0db8:3000:2215:0000:0000:aaaa:1111 D. 49.0001.0192.0168.1001.00

Correct Answer: C

Question No.73

Which mode is used to allow only a single person to edit a configuration?

1. configure batch

2. configure private

3. configure exclusive

4. configure dynamic

Correct Answer: C

Question No.74

How does the PFE handle unicast transit traffic destined for an existing forwarding table entry?

1. It sends the traffic through one egress port toward its destination.

2. It sends the traffic through multiple egress ports to all available receivers.

3. It sends the traffic through an internal link to the RE.

4. It sends the traffic to the local system for further processing.

Correct Answer: A

Question No.75

What are three benefits of using IPv6? (Choose three.)

1. IPv6 supports a greater level of security by integrating features that were optional add- ons in IPv4.

2. IPv6 reduces administrative overhead using stateless address autoconfiguration for hosts.

3. IPv6 eliminates the need for private to public NAT using a large address pool.

4. IPv6 provides backward compatibility with IPv4 using the Next Header field.

5. IPv6 represents large IP addresses using dotted decimal notation.

Correct Answer: ABC

Question No.76

Which layer in the OSI model is responsible for translating frames into bits?

1. Application Layer

2. Presentation Layer

3. Data Link Layer

4. Physical Layer

Correct Answer: C

Question No.77

For the interface ge-1/2/3.4, what does quot;gequot; represent?

1. SONET/SDH

2. Gigabit Ethernet

3. Aggregated Ethernet

4. GRE

Correct Answer: B

Question No.78

Which command returns a list of commands in which a given keyword is used throughout the Junos hierarchies?

1. help topic

2. help reference

3. help apropos

4. help tip

Correct Answer: C

Question No.79

When using keyboard shortcuts, which single keystroke combination allows users to erase the entire current command?

1. Ctrl a

2. Ctrl e

3. Ctrl u

4. Ctrl w

Correct Answer: C

Question No.80

To which directory does the Junos OS write traceoptions files?

1. /var/tmp/

2. /var/

3. /var/log/

4. /var/home/lt;usernamegt;/

Correct Answer: C

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