DHomesb Chapter 3 – CCNA Discovery: Networking for Home and Small Businesses (Version 4.0)


Which two statements concerning networking standards are true? (Choose two.)
    #provides consistent interconnections across networks
    #simplifies new product development
Which two items are included in a network logical map? (Choose two.)
    #naming scheme
    #IP addressing scheme
What is a reason for disabling simple file sharing?
    #It enables the user to set more specific security access levels.
Which address does an NIC use when deciding whether to accept a frame?
    #destination MAC address
If the default gateway is configured incorrectly on the host, what is the impact on communications?
    #The host can communicate with other hosts on the local network, but is unable to communicate with hosts on remote networks.
Refer to the graphic. What does the router do after it determines that a data packet from Network 1 should be forwarded to Network 2?
    #It reassembles the frame with different MAC addresses than the original frame.
What is the function of the FCS field in an Ethernet frame?
    #detects transmission errors
Host A needs to learn the MAC address of Host B, which is on the same LAN segment. A message has been sent to all the hosts on the segment asking for the MAC address of Host B. Host B responds with its MAC address and all other hosts disregard the request. What protocol was used in this scenario?
What is a benefit of having a router within the distribution layer?
    #keeps broadcasts contained within a local network
Which term is used to describe the process of placing one message format into another format so that the message can be delivered across the appropriate medium?
Which table does a router use to make decisions about the interface through which a data packet is to be sent?
    #routing table
Which two networking devices are used to connect hosts to the access layer? (Choose two.)
What does the 100 mean when referencing the 100BASE-T Ethernet standard?
    #speed of transmission
What device is typically used as the default gateway for a computer?
    #the router interface closest to the computer
Refer to the graphic. Five PCs are connected through a hub. If host H1 wants to reply to a message from host H2, which statement is true?
    #H1 sends a unicast message to H2, but the hub forwards it to all devices.
Which type of address is used in an Ethernet frame header?
    #MAC addresses only
A switch receives a frame with a destination MAC address that is currently not in the MAC table. What action does the switch perform?
    #It floods the frame out of all active ports, except the origination port.
Which device accepts a message on one port and always forwards the message to all other ports?
What type of route allows a router to forward packets even though its routing table contains no specific route to the destination network?
    #default route
An integrated router can normally perform the functions of which two other network devices? (Choose two.)
    #wireless access point
What is the purpose of logical addresses in an IP network?

#They are used to determine which host device accepts the frame.

Perihal Wllhack CSO Megaxus

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