[Free] New Updated (October) Juniper TK0-201 Real Exam 121-130

Ensurepass

 

QUESTION 121

You run the operational-mode command show ospf neighbor and notice that an expected OSPF neighbor on a broadcast link is not detected. Which three issues cause this behavior? (Choose three.)

 

A.

A problem exists with the physical link or Data Link Layer connectivity.

B.

The router IDs on the two devices do not match.

C.

The IP subnet mask does not match on each end of the link.

D.

The area type does not match on each end of the link.

E.

The AS number on the two devices do not match.

 

Correct Answer: ACD

 

 

 

QUESTION 122

In the Junos OS, which attribute is used before the AS path in the BGP selection algorithm?

 

A.

highest local preference

B.

lowest local preference

C.

lowest MED

D.

weight

 

Correct Answer: A

 

 

QUESTION 123

Which two statements are true about NSR? (Choose two.)

 

A.

Graceful Routing Engine switchover must be configured for NSR to function properly.

B.

NSR and graceful restart can be enabled at the same time.

C.

NSR relies on helper support on neighboring routers.

D.

When NSR is enabled, RPD runs on the backup Routing Engine.

 

Correct Answer: AD

 

 

QUESTION 124

What does the attach bit in an IS-IS PDU indicate?

 

A.

The L1/L2 router is exporting a default route into the area.

B.

The L1/L2 router has reachability information to another IS-IS area.

C.

The L1/L2 router is sending information from Level 2 towards Level 1.

D.

The L1/L2 router is sending information from Level 1 towards Level 2.

 

Correct Answer: B

 

 

QUESTION 125

Which configuration excerpt is necessary to cause all traffic received on fe-0/0/0.0 to be routed to next-hop 10.1.1.
1?

 

A.

interfaces {

fe-0/0/0 {

unit 0 {

family inet {

policy-route route-to-10.1.1.1;

address 172.17.1.1/24;

}

}

}

}

policy-options {

policy-statement route-to-10.1.1.1 {

term 1 {

then {

next-hop 10.1.1.1;

}

}

}

}

B.

interfaces {

fe-0/0/0 {

unit 0 {

family inet {

filter {

input route-to-10.1.1.1;

}

address 172.17.1.1/24;

}

}

}

}

firewall {

family inet {

filter route-to-10.1.1.1 {

term 1 {

then routing-instance to-10.1.1.1;

}

}

}

}

routing-instances {

to-10.1.1.1 {

instance-type forwarding;

routing-options {

static {< /span>

route 0.0.0.0/0 next-hop 10.1.1.1;

}

}

}

}

C.

interfaces {

fe-0/0/0 {

unit 0 {

family inet {

filter {

input route-to-10.1.1.1;

}

address 172.17.1.1/24;

}

}

}

}

firewall {

family inet {

filter route-to-10.1.1.1 {

term 1 {

then next-hop 10.1.1.1;

}

}

}

}

D.

interfaces {

fe-0/0/0 {

unit 0 {

family inet {

routing-instance to-10.1.1.1;

address 172.17.1.1/24;

}

}

}

}

routing-instances {

to-10.1.1.1 {

instance-type forwarding;

routing-options {

static {

route 0.0.0.0/0 next-hop 10.1.1.1;

}

}

}

}

 

Correct Answer: B

 

 

QUESTION 126

Which three parameters are used by the Junos OS to distinguish traffic flows for load balancing with load-balance per-packet configured? (Choose three).

 

A.

incoming interface

B.

destination address

C.

destination port

D.

source address

E.

source port

 

Correct Answer: ABD

 

 

QUESTION 127

Why would you configure root protection?

 

A.

You want to protect the root bridge from receiving BPDUs on unauthorized interfaces.

B.

You want to protect your network from unwanted topology changes from a rogue switch attempting to become the root bridge.

C.

You want to avoid a broadcast storm that originates on the root bridge.

D.

You want to prevent unwanted user authentication to the root bridge by defining an acceptable source-address list for authorized access.

 

Correct Answer: B

 

 

QUESTION 128

You have a route in the inet.0 routing table that has four valid physical next hops assigned to it. Which event prompts an update to the information in the forwarding table for this particular route?

 

A.

When a new physical next hop is added to the next-hop set.

B.

When any configuration change is committed on the router.

C.

When a packet is forwarded towards the route destination.

D.

When an additional route of the same IP address class is added to inet.0.

 

Correct Answer: A

 

 

QUESTION 129

Which two statements are true regarding the default VLAN in EX Series switches? (Choose two.)

 

A.

All switch ports not specifically assigned to a user-defined VLAN belong to the default VLAN.

B.

An administrator can change the VLAN ID of the default VLAN.

C.

An interface that is part of the default VLAN cannot carry tagged traffic.

D.

The show interface-command shows an asterisk (*) after the interface name if the interface is part of default VLAN.

 

Correct Answer: AB

 

 

QUESTION 130

Which mechanism keeps a switch from forwarding Layer 2 traffic from one broadcast domain to another?

 

A.

filtering

B.

BPDU guard

C.

aging

D.

learning

 

Correct Answer: A

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