JN0-349 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.

Which statement is correct about the OSPF router ID (RID)?

A. The OSPF RID must match for all routers in the same area.

B. The OSPF RID for IPv6 is a 128-bit address.

C. The OSPF RID for IPv4 is a 32-bit address.

D. The OSPF RID is not necessary when BFD is implemented.

Click the Exhibit button.

---- Exhibit Missing ---

Referring to the exhibit, which three statements are correct? (Choose three.)

A. R1 and R3 can form a Layer 2 IS-IS adjacency.

B. R2 and R4 can form a Layer 1 IS-IS adjacency.

C. R3 and R4 can form a Layer 2 IS-IS adjacency.

D. R1 and R3 can form a Layer 1 IS-IS adjacency.

E. R3 and R4 can form a Layer 1 IS-IS adjacency.

What are three types of port designation specific to Private VLANs? (Choose three.)

A. Promiscuous ports

B. Transparent ports

C. PVLAN trunk ports

D. Designated ports

E. Isolated ports

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.

In which adjacency state do OSPF routers determine which router is in charge of the database synchronization process?

A. ExStart

B. Exchange

C. 2Way

D. Init

Click the Exhibit button.

Referring to the exhibit, which port will be selected as the RSTP root port on Switch-4?

A. ge-0/0/13.0

B. ge-0/0/8.0

C. ge-0/0/9.0

D. ge-0/0/12.0

What are two functions of bridging? (Choose two.)

A. blocking

B. aging

C. listening

D. forwarding

You have a VLAN with two devices acting as a single gateway for hosts.

In this scenario, which protocol would provide a single gateway IP for the hosts?

A. VRRP

B. OSPF

C. IS-IS

D. BGP

Which two statements about BPDU protection are correct? (Choose two.)

A. By default, you must manually clear a BPDU error condition when using BPDU protection.

B. BPDU protection prevents unauthorized switches from connecting to and participating in your spanning tree topology.

C. By default, BPDU protection prevents the root bridge from communicating with other STP members unless it receives a superior BPDU first.

D. BPDU protection requires that STP or RSTP is configured on the switch.