640-821 무료 덤프문제 온라인 액세스

lab

If a host on a network has the address 172.16.45.14/30, what is the address of the subnetwork to which this host belongs?

• A.172.16.45.8
• B.172.16.45.0
• C.172.16.45.12
• D.172.16.45.4
• E.172.16.45.16

Refer to the graphic. Although the console password was set to "cisco", it displays in the router configuration as shown. What command caused the password to be stored like this?

• A.Router(config-line)# exec-timeout 1 55
• B.Router(config)# encrypt password
• C.Router(config)# password-encryption md 7
• D.Router(config)# service password-encryption

An elementary school has a computer in every classroom. One entire wing of the school connects to a centrally located hub. The teachers have reported a slowdown in the past few weeks to the network administrator. The network administrator has analyzed the network and documented a steep increase in utilization as the teachers use a new network- based classroom management application. Which solution will improve the performance the most?

• A.Reboot the router that connects to the hub.
• B.Install a repeater in the affected wing.
• C.Install a router and install another hub in the affected wing.
• D.Ensure all devices in the affected wing have a default gateway.
• E.Replace the hub with a switch.

An administrator issues the show ip interface s0/0 command and the output displays the line Serial0/0 is up, line protocol is upWhat does "line protocol is up" specifically indicate about the interface?

• A.CDP has discovered the connected device.
• B.The cable is attached properly.
• C.IP is correctly configured on the interface.
• D.Keepalives are being received on the interface.
• E.A carrier detect signal has been received from the connected device.