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


cisco

1
Which two statements concerning networking standards are true? (Choose two.)
    #provides consistent interconnections across networks
    #simplifies new product development
2
Which two items are included in a network logical map? (Choose two.)
    #naming scheme
    #IP addressing scheme
3
What is a reason for disabling simple file sharing?
    #It enables the user to set more specific security access levels.
4
Which address does an NIC use when deciding whether to accept a frame?
    #destination MAC address
5
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.
6
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.
7
What is the function of the FCS field in an Ethernet frame?
    #detects transmission errors
8
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?
    #ARP
9
What is a benefit of having a router within the distribution layer?
    #keeps broadcasts contained within a local network
10
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?
    #encapsulation
11
Which table does a router use to make decisions about the interface through which a data packet is to be sent?
    #routing table
12
Which two networking devices are used to connect hosts to the access layer? (Choose two.)
    #hub
    #switch
13
What does the 100 mean when referencing the 100BASE-T Ethernet standard?
    #speed of transmission
14
What device is typically used as the default gateway for a computer?
    #the router interface closest to the computer
15
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.
16
Which type of address is used in an Ethernet frame header?
    #MAC addresses only
17
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.
18
Which device accepts a message on one port and always forwards the message to all other ports?
    #hub
19
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
20
An integrated router can normally perform the functions of which two other network devices? (Choose two.)
    #switch
    #wireless access point
21
What is the purpose of logical addresses in an IP network?

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

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