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CNET 157 Final Exam Questions and Answers In general, what level of security should use with your access points? - ANSWER-wireless encryption protocol A router's final task when handling a packet is to send the packet onto its next and possibly final destination; this is referred to as packet ...

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  • November 10, 2024
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  • 2024/2025
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CNET 157 Final Exam Questions and

Answers


In general, what level of security should use with your access points? - ANSWER✔✔-wireless encryption

protocol


A router's final task when handling a packet is to send the packet onto its next and possibly final

destination; this is referred to as packet _____. - ANSWER✔✔-forwarding


T/F


One type of security for wireless networks involves entering a list of the MAC addresses for the devices

that are allowed to access the network and excluding all others. This is called MAC filtering. -

ANSWER✔✔-True


T/F


Changing the SSID on the access point and disabling SSID broadcast is sufficient security for most

wireless networks. - ANSWER✔✔-False


You have four switches, A, B, C, and D. Switch A is connected to Switch C and Switch B is connected to

switch D. Furthermore, Switch A and B are connected and Switch C and D are connected. One of the

connections is in blocking mode. What protocol must be running on the switches? - ANSWER✔✔-STP


What command issued from a command prompt will display the routing table in windows? -

ANSWER✔✔-route print



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T/F


Routers can be used to control network access by inspecting the source and destination address

information of packets. - ANSWER✔✔-True


Which of the following us NOT a true statement regarding the function of a switch?


A) It determines the path used based on the destination IP address


B) it sends broadcast frames out all connected ports except the port where the frame was received


C) Each port on a switch represents a separate collision domain


D) Switches have the ability to operate in full-duplex mode - ANSWER✔✔-It determines the path used

based on the destination IP address


What type of hacker uses a scanning device to find unsecured wireless networks and breaks into those

networks? - ANSWER✔✔-wardriver


Access control lists can be configured based on what? - ANSWER✔✔-protocol


TCP port


souces IP address


T/F


All network switches require substantial configuration before they can be put into operation in a

network. - ANSWER✔✔-False


What combination will you find in a switching table? - ANSWER✔✔-MAC address/switch port number




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On a router configures to use RIP, the number of routers a packet must travel through before it reaches

its destination is called what? - ANSWER✔✔-metric


hop count


What is NOT a function that would be found in a managed switch? - ANSWER✔✔-the ability to transfer

its switching table with neighboring switches


Your colleagues are discussing the operation of a device in which packets are routed between VLANs on

the device rather than having to exit the device to be routed. What type of device are they most likely

descussing? - ANSWER✔✔-Layer 3 switch


When a router's interface is configured to connect with a switch trunk port to route packets between

VLANs, what is this called? - ANSWER✔✔-router on a stick


What is the fastest switching mode? - ANSWER✔✔-cut-through


T/F


When a switch receives a broadcast frame, it floods the frame out all ports. - ANSWER✔✔-True


Which advanced feature of a NIC allows a computer to download an OS from the network instead of

from a local drive? - ANSWER✔✔-preboot execution environment


What has occurred when all routers in a network have accurate information after a change in the

network? - ANSWER✔✔-convergence


T/F


A bus is used to make connections between the network interface card and the other vital components

of the computer, such as the central processing unit. - ANSWER✔✔-True


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What is the name of the value assigned to a routing protocol to indicate its reliability compared with

other routing protocols that might be in use on the same router? - ANSWER✔✔-administrative distance


What category of routing protocol is used to route packets between autonomous systems? -

ANSWER✔✔-Exterior Gateway Protocol or EGP


What would be found in a router's routing table? - ANSWER✔✔-timestamp


destination network


next hop


metric


What is a common link-state routing protocol? - ANSWER✔✔-Open Shortest Path First or OSPF


T/F


A distance vector protocol sends updates to its neighbors that include the contents of its routing table. -

ANSWER✔✔-True


T/F


More VLANs mean fewer logical networks, so the network is less complex. - ANSWER✔✔-False


Which switching method reads a minimum of 64-bytes of an Ethernet frame before forwarding the

frame? - ANSWER✔✔-fragment-free


In which type of routing protocol is a router's routing table copied to neighboring routers to share

internetwork information? - ANSWER✔✔-distance-vector protocol


T/F



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