Online Access Free 640-822 Exam Questions

Which Layer 1 devices can be used to enlarge the area covered by a single LAN segment? (Choose two.)

• A.switch
• B.hub
• C.RJ-45 transceiver
• D.NIC
• E.repeater
• F.router

What is ROM Monitor (ROMMON)?

• A.temporary storage space for the router operating files
• B.a memory component for storing the saved configuration file
• C.is part of IOS and runs in the background until accessed by issuing rommon
• D.an operating system used for hardware troubleshooting and for password recovery
• E.a memory management tool

Which type of attack is characterized by a flood of packets that are requesting a TCP connection to a server?

• A.Trojan horse
• B.brute force
• C.denial of service
• D.reconnaissance

Refer to the exhibit.

A network technician has issued the show controllers s0/0 command to check the status of an interface. What can be determined from this output? (Choose two.)

• A.The s0/0 interface is shutdown.
• B.The command clockrate 64000 was issued on this interface.
• C.An external CSU/DSU is not in use.
• D.No clock rate is set.
• E.The interface has a DTE serial cable attached to it.
• F.The interface has an Ethernet cable attached.

A company has placed a networked PC in a lobby so guests can have access to the
corporate directory. A security concern is that someone will disconnect the directory PC and re-connect their laptop computer and have access to the corporate network. For the port servicing the lobby, which three configuration steps should be performed on the switch to prevent this?
(Choose three.)

• A.Enable port security.
• B.Statically assign the MAC address to the address table.
• C.Create the port as a trunk port.
• D.Set the port security aging time to 0.
• E.Create the port as an access port.
• F.Create the port as a protected port.
• G.Configure the switch to discover new MAC addresses after a set time of inactivity.