JN0-351 Online Practice Questions and Answers

You must limit access to a printer with a persistent DHCP address of 2001:db8:0000:50::10/64 in VLAN v50 to users assigned to VLAN v50 only. Which action would satisfy this requirement?

A. Implement persistent MAC learning to ensure that 2001:db8:0000:50::10 is allocated properly.

B. Implement a firewall filter on the IRB interface for VLAN v50, blocking traffic to/from 2001:db8:0000:50::10.

C. Implement a firewall filter on the VLAN v50, blocking traffic to/from 2001:db8:0000:50::10.

D. Implement DHCP snooping on VLAN v50 to ensure that 2001:db8:0000:50::10 is allocated properly.

Referring to the exhibit, which devices will receive the packet sent by User B?

A. User A and User D

B. User C and User D

C. User C

D. User C, User A, and User D

Which two statements about a unified ISSU are correct? (Choose two.)

A. It requires that Bidirectional Forwarding Detection be disabled.

B. It requires that graceful Routing Engine switchover be enabled.

C. It is only supported on platforms with redundant control planes.

D. It is only supported on platforms with redundant power supplies.

You have an OSPF NSSA area that is also receiving IS-IS routes on the ASBR.

In this scenario, which LSA type is used to announce external IS-IS routes?

A. Type 7

B. Type 8

C. Type 1

D. Type 4

Routet-1 and Router-2 must connect through the Internet using a tunneling technology. Hosts that are connected to Router-1 and Router-2 will be sending traffic up to 1500 bytes. The maximum segment size that is supported across the path is 1520 bytes.

Which tunneling technology will allow this communication to take place?

A. IP-IP tunnel

B. GRE tunnel

C. IPsec VPN tunnel mode

D. IPsec VPN transport mode

Which two statements about Layer 2 firewall filters are correct? (Choose two.)

A. You can apply only one firewall filter term per filter.

B. You can apply only one input filter per VLAN.

C. You can apply multiple firewall filter terms per filter.

D. You can apply multiple input filters per VLAN.

Which statement describes BFD?

A. BFD rapidly detects link failures.

B. BFD provides route loop protection.

C. BFD provides broadcast storm protection.

D. BFD provides high availability with multiple Routing Engines.

What BGP attribute is mostly likely to influence a remote AS that you do not peer with?

A. This is not possible given the local scope of BGP

B. AS path

C. MED

D. Local preference

When electing a DIS in an IS-IS network, what is used to break a priority tie?

A. highest router ID

B. highest MAC address

C. lowest MAC address

D. lowest router ID

Click the exhibit button.

Switch-1 in the exhibit receives a packet from User A with a destination MAC address of

00:26:88:02:74:47.

Which statement in this scenario is correct?

A.

Switch-1 sends the packet out ge-0/0/7 only.

B.

Switch-1 sends the packet out ge-0/0/7 and ge-0/0/8.

C.

Switch-1 sends the packet out ge-0/0/6, ge-0/0/7, ge-0/0/8, and ge-0/0/9.

D.

Switch-1 sends the packet out ge-0/0/7, ge-0/0/8, and ge-0/0/9.

Click the Exhibit button.

---- Exhibit Missing ---

Referring to the exhibit, which type of route is displayed?

A. martian

B. static

C. generate

D. aggregate

Each PC and IP phone in your network is connected to a switch using the same port. All incoming data traffic is untagged and belongs to the v10 VLAN, while traffic coming from the IP phones is tagged with a VLAN value of 20 and should belong to the v20 VLAN on your switch.

In this scenario, which statement is correct?

A. You must enable the voice VLAN feature on the incoming interfaces and assign the v20 VLAN.

B. You must enable an IRB interface and assign it to the v10 and v20 VLANs.

C. You must enable LLDP-MED on the incoming interfaces and assign the v20 VLAN.

D. You must enable the guest VLAN feature on the incoming interfaces and assign the v20 VLAN.

Which two statements about a Virtual Chassis are correct? (Choose two.)

A. A Virtual Chassis is managed using a single virtual console port.

B. You must use the same EX Series switch for all members in a Virtual Chassis.

C. All members in a Virtual Chassis must be running the same Junos version.

D. Each device must be managed separately.

Click the Exhibit button.

A routing table contains multiple BGP routes to the same destination prefix. The route preference is the same for each route.

Referring to the exhibit, which route would be selected?

A. route B

B. route D

C. route A

D. route C

By default, how long will a learned MAC address be retained in the bridge table on an EX Series switch?

A. 600 seconds

B. 3600 seconds

C. 300 seconds

D. 1800 seconds