Midterm Flashcards
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. Reduces network load
B. Makes verification easier
D. Reduce file size
A switch searches its table for the source MAC address of a packet. True or False?
False
How do Ethernet cables ensure that there’s less interference across the 4 different lines (colour pairs)?
Twisting the cables
How many bits is an IPv6 address?
128 bits
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?
57
Which of the following mediums has a limited range in general area?
A. Ethernet Cables
B. Copper Cabling
C. Fiber Optics
D. Micro/Radiowaves
D. Micro/Radiowaves
Which layer is responsible for the final conversion of data into bits?
A. Data Link
B. Physical
C. Application
D. DNS
B. Physical
Network protocols use what to know where to send network information?
IP and MAC addresses
Which of the following means to send to multiple devices on a network?
A. Octocast
B. Unicast
C. Broadcast
D. Multicast
D. Multicacst
What is it called when multiple protocols are used as at the same time as a bunch?
Suite
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
D. 255.255.0.0
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. Copper Cables
The MAC address table persists until device is turned off. True or False?
False
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
D. Time to transmit
What device is the main backbone of a private network?
Routers
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
B. They are 32-bit
The source and destination MAC address changes along each hop or link when sending data across servers (not internally). True or False?
True
How do we split up the responsibility of protocols in a suite?
Network Layers
Why do we use protocols in a network?
To have consistency/guidelines
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
D. Switch
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. Protection via Firewall
C. Bridge between private and public networks
D. Assign addresses to devices
What does it mean when a frame shows up as less than 64 bytes?
Collision occurred
Different protocols are used in the final layers of a network communication, based on what medium is being used. True or False?
True
You are able to use a Multicast address for a source address. True or False?
False
