[Free] New Updated (October) Juniper TK0-201 Real Exam 251-260

Ensurepass

 

QUESTION 251

Which two statements are true of IS-IS? (Choose two.)

 

A.

When configured on a broadcast segment, IS-IS elects a designated intermediate system that establishes adjacencies with all IS-IS enabled nodes on the segment.

B.

When configured on a broadcast segment, IS-IS forms a full mesh of adjacencies called a mesh group; unlike OSPF, no designated device exists to represent the segment.

C.

When configured on a broadcast segment, IS-IS elects a backup designated intermediate system.

D.

When configured on a broadcast segment, the network itself is called a pseudo-node

Correct Answer: AD

 

 

QUESTION 252

A company’s Junos-based router has two EBGP peers and receives two BGP update messages with the following information:

 

Peer A – AS path [ 65001 64513 12 ] ; MED 67 ; origin value 1

 

Peer B – AS path [ 65002 64513 12 ] ; MED 70 ; origin value 2

 

Assuming default values, how will the company router react to these updates?

 

A.

The path through Peer A will be preferred for all traffic to that destination.

B.

The path through Peer B will be preferred for all traffic to that destination.

C.

The paths will be load balanced to that destination based on a Layer 3 hash.

D.

The company router marks the routes as hidden to that destination because the MED exceeds 63.

 

Correct Answer: A

 

 

QUESTION 253

Which statement is true of BGP communities?

 

A.

Communities are used to identify BGP routes based on the originating route’s attributes, whether it is an internal route, an external route, or unknown.

B.

Communities are added by route reflectors. A route reflector appends its own IP address and the autonomous system number separated by a colon in the community field each time a route traverses it.

C.

Communities are used to determine preference within a network; lower community values are more preferable than higher values.

D.

Communities are used as a tool for sorting and categorizing routes based on user- defined criteria.

 

Correct Answer: D

 

 

QUESTION 254

Which configuration allows the virtual IP address to respond to pings?

 

A.

[edit interfaces fe-0/0/0 unit 50 family inet address 192.168.0.12/24]

user@RouterA# show

vrrp-group 50 {

virtual-address 192.168.0.1;

fast-interval 250;

preempt;

accept-data;

}

B.

[edit interfaces fe-0/0/0 unit 50 family inet address 192.168.0.12/24]

user@RouterA# show

vrrp-group 50 {

virtual-address 192.168.0.1;

fast-interval 250;

no-preempt;

no-accept-data;

}

C.

[edit interfaces fe-0/0/0 unit 50 family inet address 192.168.0.12/24]

user@RouterA# show

vrrp-group 50 {

virtual-address 192.168.0.1;

fast-interval 250;

accept-icmp;

}

D.

[edit interfaces fe-0/0/0 unit 50 family inet address 192.168.0.12/24]

user@RouterA# show

vrrp-group 50 {

virtual-address 192.168.0.1;

priority 220;

advertise-interval 10;

preempt;

accept-packets;

}

 

Correct Answer: A

 

 

QUESTION 255

Router A is configured as the VRRP master and Router B is configured as the backup. Router A has lost the mastership and has become the backup router and you need to find out why. Which two commands should you use to determine why Router A is no longer the VRRP master? (Choose two.)

 

A.

show vrrp

B.

show vrrp summary

C.

show vrrp detail

D.

show vrrp track

 

Correct Answer: CD

 

 

QUESTION 256

Which two adjacencies are allowed to form when configuring IS-IS? (Choose two.)

 

A.

a Level 1 router in Area 5 connected to a Level 2 router in Area 5

B.

a Level 1 router in Area 4 connected to a Level 1 router in Area 2

C.

a Level 2 router in Area 4 connected to a Level 2 router in Area 8

D.

a Level 1 router in Area 3 connected to a Level 1 router in Area 3

 

Correct Answer: CD

 

 

QUESTION 257

Which field of the IP header is modified on a payload packet when using GRE?

 

A.

time to live

B.

source address

C.

protocol

D.

fragment offset

 

Correct Answer: A

 

 

QUESTION 258

In the configuration shown in the exhibit, you want to form an EBGP peering relationship to the loopback address of a router administered by your ISP, but the session will not establish. What is causing the problem?

 

clip_image001

 

A.

EBGP cannot peer to a virtual address.

B.

The EBGP session needs to be explicitly configured with multihop.

C.

The EBGP session needs to be explicitly configured as type external.

D.

The autonomous system information needs to be configured under [protocols bgp].

 

Correct Answer: B

 

 

QUESTION 259

Router 2 is receiving a route to 10.0.0.0/8 from Router 4 and Router 5. What will Router 2 do with the routes shown in the exhibit?

 

clip_image003

A.

Router 2 will mark both routes active if both next hops are reachable.

B.

Router 2 will prefer the route received from Router 4 because of a lower origin code value.

C.

Router 2 will prefer the route that arrived first because neither route is necessarily preferable over the other.

D.

Router 2 will prefer the route received from Router 5 because it has a lower MED value.

 

Correct Answer: B

 

 

QUESTION 260

An IP-IP tunnel must meet which two requirements to function correctly? (Choose two.)

 

A.

The tunnel end points must have a valid route to each other.

B.

The tunnel end points must be distributed inside the IGP.

C.

A GRE tunnel must be established first to carry the IP-IP tunnel.

D.

All devices in between the tunnel end points must have a valid route to the tunnel end points.

 

Correct Answer: AD

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