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Networking > Midterm > Flashcards

Midterm Flashcards

1
Q

Which is true about using packets for network transmission?

A. Reduces network load

B. Makes verification easier

C. Makes it more private

D. Reduce file size

A

A. Reduces network load

B. Makes verification easier

D. Reduce file size

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2
Q

A switch searches its table for the source MAC address of a packet. True or False?

A

False

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3
Q

How do Ethernet cables ensure that there’s less interference across the 4 different lines (colour pairs)?

A

Twisting the cables

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4
Q

How many bits is an IPv6 address?

A

128 bits

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5
Q

With an IP of 181.168.57.49 and a subnet mask of 255.255.255.0, which portion of the address is the subnet part of the address?

A

57

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6
Q

Which of the following mediums has a limited range in general area?

A. Ethernet Cables

B. Copper Cabling

C. Fiber Optics

D. Micro/Radiowaves

A

D. Micro/Radiowaves

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7
Q

Which layer is responsible for the final conversion of data into bits?

A. Data Link

B. Physical

C. Application

D. DNS

A

B. Physical

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8
Q

Network protocols use what to know where to send network information?

A

IP and MAC addresses

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9
Q

Which of the following means to send to multiple devices on a network?

A. Octocast

B. Unicast

C. Broadcast

D. Multicast

A

D. Multicacst

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10
Q

What is it called when multiple protocols are used as at the same time as a bunch?

A

Suite

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11
Q

What would be the default subnet mask for a class B IPv4 address?

A. 255.0.0.0

B. 255.255.255.255

C. 255.255.255.0

D. 255.255.0.0

A

D. 255.255.0.0

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12
Q

Which of the following mediums uses varying levels of voltage to transmit data down the line?

A. Copper Cabling

B. Micro/Radiowaves

C. Fiber Optics

D. Ethernet Cables

A

A. Copper Cables

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13
Q

The MAC address table persists until device is turned off. True or False?

A

False

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14
Q

What gets added to packets in a system that is setup with collision avoidance ?

A. Time for a system response from destination

B. Sequence number for the packet

C. Transmit file size

D. Time to transmit

A

D. Time to transmit

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15
Q

What device is the main backbone of a private network?

A

Routers

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16
Q

Which is true about IPv4 addresses?

A. There is a max of 12 million addresses

B. They are 32-bit

C. Started using them in 1990s

D. Have a range of 0-256 for each set

A

B. They are 32-bit

17
Q

The source and destination MAC address changes along each hop or link when sending data across servers (not internally). True or False?

18
Q

How do we split up the responsibility of protocols in a suite?

A

Network Layers

19
Q

Why do we use protocols in a network?

A

To have consistency/guidelines

20
Q

Which of the following devices allows a network to be split into many devices with a physical connection, and will route traffic to a specific host?

A. Router

B. Computer

C. Hub

D. Switch

21
Q

Select all of the responsibilities that a router is responsible for

A. Protection via Firewall

B. Ping devices on a network

C. Bridge between private and public networks

D. Assign addresses to devices

A

A. Protection via Firewall

C. Bridge between private and public networks

D. Assign addresses to devices

22
Q

What does it mean when a frame shows up as less than 64 bytes?

A

Collision occurred

23
Q

Different protocols are used in the final layers of a network communication, based on what medium is being used. True or False?

24
Q

You are able to use a Multicast address for a source address. True or False?

25
Q

11111111.11111111.11111101.00000000 is a valid subnet mask. True or False?

26
Q

Which of the following adapters in a laptop have a NIC?

A. Wireless Adapter 2

B. Ethernet Adapter

C. Wireless Adapter

D. Bluetooth Adapter

A

All of them

A. Wireless Adapter 2

B. Ethernet Adapter

C. Wireless Adapter

D. Bluetooth Adapter

27
Q

What is the first portion of a MAC address for?

A

Organization ID

28
Q

What is the term for a device in a network?

29
Q

What happens at a switch when it receives a frame with a destination address of FF:FF:FF:FF:FF:FF?

A

Send the signal to all devices connected to the switch except the port that sent it

30
Q

If a network is capable of transmitting 500Mb/s at a time, and a video is talking up a quarter of the bandwidth, what is the goodput of the network?

31
Q

How is data transmitted in a network?

A

Through packets

32
Q

Devices operating in Half-Duplex are capable of sending and receiving data at the same time. True or False?

33
Q

Which of the following are benefits to using Fiber over Copper?

A. FRI/EMI resistance

B. Speed

C. Cost

D. Distance Traveled

A

A. FRI/EMI resistance

B. Speed

D. Distance Traveled

34
Q

In your own words, explain subnetting

A

It’s how we subdivide a network into smaller subnetworks

I got 4/5 with that answer

Networking (4 decks)

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