JN0-643 試験問題を無料オンラインアクセス

Which statement is true about LLDP?

• A.It is a Layer 2 protocol that facilitates network and neighbor discovery.
• B.It allows you to split a broadcast domain into multiple isolated broadcast subdomains.
• C.It maintains a separate spanning-tree instance for each VLAN.
• D.It dynamically manages VLAN registration in a LAN.

You are asked to reconfigure a CoS scheduler to limit the assured forwarding queue to a maximum of 75 percent of the available bandwidth. The assured forwarding queue uses a strict high priority queue.
Which configuration parameter accomplishes this task?

• A.transmit-rate percent 75
• B.buffer-size percent 75
• C.shaping-rate percent 75
• D.shared-buffer percent 75

-- Exhibit -

-- Exhibit --
Click the Exhibit button.
Referring to the exhibit, what is the shortest path from R6 to R5?

• A.R6, R4, R2, R1, R3, R5
• B.R6, R4, R2, R3, R5
• C.R6, R4, R5
• D.R6, R5

Which two statements are true about the configuration shown below? (Choose two.)
[edit routing-options multicast]
user@router# show
ssm-groups 227.0.0.0/24;
asm-override-ssm;

• A.It allows only ASM operations in the dedicated SSM range.
• B.It allows both ASM and SSM operations in the dedicated SSM range.
• C.It allows SSM operations in only the 227.0.0.0/24 range.
• D.It allows SSM operations in the 227.0.0.0/24 range and the dedicated range.

You are configuring port ge-0/0/0 on an EX Series switch connected to an IP phone that does not support LLDP-MED.
Which three configuration statements do you need to accomplish this task? (Choose three.)

• A.set interfaces ge-0/0/0 unit 0 family ethernet-switching native-vlan-id voice-vlan
• B.set interfaces ge-0/0/0 unit 0 family ethernet-switching vlan members voice-vlan
• C.set interfaces ge-0/0/0 unit 0 family ethernet-switching port-mode trunk
• D.set interfaces ge-0/0/0 unit 0 family ethernet-switching native-vlan-id data-vlan
• E.set interfaces ge-0/0/0 unit 0 family ethernet-switching vlan members data-vlan