Juniper Juniper Certifications JN0-348 Questions & Answers

• Question 81:

  Which two characteristics are true for EBGP peerings? (Choose two.)

  A. EBGP peers must be directly connected.

  B. EBGP connects peer devices in the same autonomous system.

  C. EBGP connects peer devices in two different autonomous systems.

  D. EBGP peers can be connected over a multihop connection.

  Correct Answer: CD

• Question 82:

  Which two port security features use the DHCP snooping database for additional port security? (Choose two.)

  A. dynamic ARP inspection

  B. MACsec

  C. IP Source Guard

  D. MAC learning

  Correct Answer: AC

• Question 83:

  You want to configure Layer 2 services over an IP-based tunneling mechanism between two sites. Which configuration statement is required to accomplish this task?

  A. set interfaces gr-0/0/0.0 family bridge

  B. set interfaces ip-0/0/0.0 encapsulation vlan-bridge

  C. set interfaces gr-0/0/0.0 encapsulation vlan-bridge

  D. set interfaces ip-0/0/0.0 family bridge

  Correct Answer: A

• Question 84:

  Which two routes belong to the 172.16.0.0/22 aggregate route? (Choose two.)

  A. 172.16.4.0/24

  B. 172.16.0.0/24

  C. 172.16.5.0/24

  D. 172.16.3.0/24

  Correct Answer: BD

• Question 85:

  Which two statements are correct regarding the root bridge election process when using STP? (Choose two.)

  A. A lower system MAC address is preferred.

  B. A higher bridge priority is preferred.

  C. A lower bridge priority is preferred.

  D. A higher system MAC address is preferred.

  Correct Answer: AC

• Question 86:

  What are two reasons for configuring more than one VLAN on a switch? (Choose two.)

  A. A group of clients requires that security be applied to traffic entering or exiting the group's devices.

  B. A group of devices must forward traffic across a WAN.

  C. A group of devices are connected to the same Layer 3 network.

  D. A group of clients requires that the group's devices receive less broadcast traffic than they are currently receiving.

  Correct Answer: AD

• Question 87:

  What are two benefits of 802.3ad link aggregation? (Choose two.)

  A. It increases bandwidth.

  B. It ensures symmetrical paths.

  C. It simplifies interface configuration.

  D. It creates physical layer redundancy.

  Correct Answer: AD

• Question 88:

  Which statement is true about IP-IP tunnels?

  A. Intermediate devices must have a route to the destination address of the traffic being tunneled.

  B. Intermediate devices must have a route to both the tunnel source address and the tunnel destination address.

  C. Intermediate devices must have a route to the tunnel destination address but do not require a route to the tunnel source address.

  D. Intermediate devices must have a route to the tunnel source address but do not require a route to the tunnel destination address.

  Correct Answer: C

• Question 89:

  You have a conference room with an open network port that is used by employees to connect to the network. You are concerned about rogue switches being connected to this port.

  Which two features should you enable on your switch to limit access to this port? (Choose two.)

  A. DHCP snooping

  B. dynamic ARP inspection

  C. MAC limiting

  D. 802.1X

  Correct Answer: AB

• Question 90:

  Which statement is correct about IS-IS link state PDUs?

  A. They are used to maintain link-state database synchronization.

  B. They are used to establish adjacencies.

  C. They are used to build the link-state database.

  D. They are used to determine whether the neighbors are Level 1 or Level 2.

  Correct Answer: C