Part 2 - CISCO

Which functionality is provided by DHCP?

• automatic assignment of an IP address to each host

• remote switch management
  

• translation of IP addresses to domain names
  

• end-to-end connectivity test

Which two functions are provided to users by the context-sensitive help feature of the Cisco IOS CLI? (Choose two.)

• providing an error message when a wrong command is submitted

• displaying a list of all available commands within the current mode

• allowing the user to complete the remainder of an abbreviated command with the TAB key

• determining which option, keyword, or argument is available for the entered command

• selecting the best command to accomplish a task

Which memory location on a Cisco router or switch stores the startup configuration file?

• RAM
  

• ROM
  

• NVRAM

• flash

To what subnet does the IP address 10.1.100.50 belong if a subnet mask of 255.255.0.0 is used?

• 10.1.0.0

• 10.0.0.0
  

• 10.1.100.32
  

• 10.1.100.0

Which three acronyms/initialisms represent standards organizations? (Choose three.)

• IANA

• TCP/IP
  

• IEEE

• IETF

• OSI

What type of communication will send a message to all devices on a local area network?

• Broadcast

• multicast
  

• unicast
  

• allcast

In computer communication, what is the purpose of message encoding?

• to convert information to the appropriate form for transmission

• to interpret information

• to break large messages into smaller frames

• to negotiate correct timing for successful communication

Which message delivery option is used when all devices need to receive the same message simultaneously?

• duplex
  

• unicast
  

• multicast
  

• broadcast

What are two benefits of using a layered network model? (Choose two.)

• It assists in protocol design.

• It speeds up packet delivery.

• It prevents designers from creating their own model.

• It ensures a device at one layer can function at the next higher layer.

• It prevents technology in one layer from affecting other layers.

What is the purpose of protocols in data communications?

• specifying the bandwidth of the channel or medium for each type of communication

• specifying the device operating systems that will support the communication

• providing the rules required for a specific type of communication to occur

• dictating the content of the message sent during communication