[Free] Download New Latest (November) Juniper JN0-120 Actual Tests Topic 1 Volume A part 03

Ensurepass

 

 

QUESTION 21  (Topic 1)

 

How does the ERX Edge Router interact with subscriber IP addresses assigned by an external DHCP server?

 

A.

It monitors messages from the external server and updates the routing table as needed.

B.

It maintains the leases for the DHCP server and reassigns addresses to new subscribers.

C.

It sends keepalives to the subscriber and makes the address available when the subscriber stops responding.

D.

It sends keepalives to the subscriber and removes the host route when the subscriber stops responding.

 

Answer: A

 

 

QUESTION 22  (Topic 1)

 

In a PPP over ATM service offering, which command inserts the user’s host route into the routing table?

 

 

 

 

 

A.

ip host-route

B.

ip access-routes

C.

ip dynamic host-route

D.

ip route access-routes

 

Answer: B

 

 

QUESTION 23  (Topic 1)

 

Which process occurs first during the Ethernet Discovery Stage process for a PPPoE service offering?

 

A.

The ERX router sends an Active Discovery Offer message.

B.

The ERX router sends an Active Discovery Initiation message.

C.

The customer device sends an Active Discovery Offer message.

D.

The customer device sends an Active Discovery Initiation message.

 

Answer: D

 

 

QUESTION 24  (Topic 1)

 

Which RADIUS configuration command implements a primary/backup scenario for multiple servers?

 

A.

radius algorithm direct

B.

radius algorithm backup

C.

radius algorithm primary

D.

radius algorithm round-robin

 

Answer: A

 

 

QUESTION 25  (Topic 1)

 

Which two B-RAS service offerings do not require user authentication? (Choose two.)

 

A.

Routed 1483

B.

Bridged 1483

 

 

 

 

C.

PPP over ATM

D.

PPP over Ethernet

 

Answer: AB

 

 

QUESTION 26  (Topic 1)

 

A service provider is operating a Routed 1483 network where the ATM PVCs are treated as a large subnet. What is a consequence of this configuration?

 

A.

It burns up IP addresses.

B.

It conserves IP addresses.

C.

It results in a smaller routing table.

D.

Each PVC has a separate /30 subnet.

 

Answer: B

 

 

QUESTION 27  (Topic 1)

 

Which color does the router assign to packets received at a data rate that is above the committed rate but is below the peak rate?

 

A.

red

B.

white

C.

green

D.

yellow

 

Answer: D

 

 

QUESTION 28  (Topic 1)

 

Which two statements are correct concerning DHCP Internal Server in the E-series router? (Choose two.)

 

A.

Provide dynamic IP addresses for DSIs.

B.

Provide connectivity to DHCP servers on other subnetworks.

C.

Provide dynamic IP addresses for SRC applications.

 

 

 

 

D.

Provide dynamic IP addresses from pools used for PPPoE subscribers.

 

Answer: AC

 

 

QUESTION 29  (Topic 1)

 

In a bridged 1483 network, which configuration command allows the ERX Edge Router to advertise customer networks into the provider’s IGP?

 

A.

redistribute direct

B.

redistribute static

C.

redistribute connected

D.

redistribute access-internal

 

Answer: C

 

 

QUESTION 30  (Topic 1)

 

Which attribute uniquely identifies the L2TP connection between the router and the L2TP network server?

 

A.

Tunnel ID

B.

Tunnel tag

C.

Tunnel type

D.

Tunnel medium

 

Answer: A

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