ENetwork Chapter 11

1    The serial connection shown in the graphic needs to be configured. Which configuration commands must be made on the Sydney router to establish connectivity with the Melbourne site? (Choose three.)     Sydney(config-if)# ip address 201.100.53.2 255.255.255.0     Sydney(config-if)# no shutdown     Sydney(config-if)# clock rate 56000     2    In a Cisco device, where is the IOS file stored prior to system startup?     Flash     3    Immediately after a router completes its boot sequence, the network administrator wants to check the routers configuration. From privileged EXEC mode, which of the following...

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ENetwork Chapter 10

1    What makes fiber preferable to copper cabling for interconnecting buildings? (Choose three.)     greater distances per cable run     limited susceptibility to EMI/RFI     greater bandwidth potential     2    A company is planning to subnet its network for a maximum of 27 hosts. Which subnet mask would provide the needed hosts and leave the fewest unused addresses in each subnet?     255.255.255.224     3    A network administrator is required to use media in the network that can run up to 100 meters in cable length without using repeaters. The chosen media must be inexpensive and easily installed....

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ENetwork Chapter 9

1    Convert the binary number 10111010 into its hexadecimal equivalent. Select the correct answer from the list below.     BA     2    Which of the following describe interframe spacing? (Choose two.)     the minimum interval, measured in bit-times, that any station must wait before sending another frame     the time allowed for slow stations to process a frame and prepare for the next frame     3    When a collision occurs in a network using CSMA/CD, how do hosts with data to transmit respond after the backoff period has expired?     The hosts return to a listen-before-transmit mode.    ...

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ENetwork Chapter 8

1    Which method of signal transmission uses radio waves to carry signals?     wireless     2    Refer to the exhibit. Which type of Category 5 cable is used to make an Ethernet connection between Host A and Host B?     crossover cable     3    Which type of cable run is most often associated with fiber-optic cable?     horizontal cable     4    What are three measures of data transfer? (Choose three.)     frequency     throughput     bandwidth 5    In most business LANs, which connector is used with twisted-pair networking...

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ENetwork Chapter 7

1    What is a characteristic of a logical point-to-point topology?     The media access control protocol can be very simple.     2    What are three characteristics of valid Ethernet Layer 2 addresses? (Choose three.)     They are 48 binary bits in length.     They are considered physical addresses.     They are generally represented in hexadecimal format.     3    What two facts are true when a device is moved from one network or subnet to another? (Choose two.)     The device will still operate at the same Layer 2 address.     The Layer 3 address must be reassigned to allow...

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ENetwork Chapter 6

1    Which statements are true regarding IP addressing? (Choose two.)     Private addresses are blocked from public Internet by router.     IP address 127.0.0.1 can be used for a host to direct traffic to itself. 2    A router interface has been assigned an IP address of 172.16.192.166 with a mask of 255.255.255.248. To which subnet does the IP address belong?     172.16.192.160     3    Refer to the exhibit. Host A is connected to the LAN, but it cannot get access to any resources on the Internet. The configuration of the host is shown in the exhibit. What could be the cause of the problem?     The default gateway...

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ENetwork Chapter 5

1    What is a component of a routing table entry?     the next-hop address 2    Refer to the exhibit. The network in the exhibit is fully operational. What two statements correctly describe the routing for the topology that is shown? (Choose two.)     192.168.0.2 is the next-hop address that is used by R3 to route a packet from the 10.0.0.0 network to the 172.16.0.0 network.     192.168.0.1 is the next-hop address that is used by R2 to route a packet from the 172.16.0.0 network to the 192.168.12.0 network.     3    What is the purpose of a default gateway?     identifies the device that allows local network computers...

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ENetwork Chapter 4

1 Refer to the exhibit. Host A is using FTP to download a large file from Server 1. During the download process, Server 1 does not receive an acknowledgment from Host A for several bytes of transferred data. What action will Server 1 take as a result?     reach a timeout and resend the data that needs to be acknowledged     2    Which information is found in both the TCP and UDP header information?    source and destination port 3    After a web browser makes a request to a web server that is listening to the standard port, what will be the source port number in the TCP header of the response from the server?     80     4   ...

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