JQuiz Instructions

What does the Data link layer use to find hosts on a local networks? Select all that apply.
1. Physical address
2. MAC address
3. Logical network address
4. Hardware address
5. Port number
6. Default gateway
PDUs at the Network layer of the OSI are called what?
1. Segment
2. Frame
3. Packet
4. Bits
What term is used if you are using the processes of placing frames from one network system into the frame of another network system?
1. Framing
2. Encapsulating
3. Tunneling
4. Frame Relay
What is used at the Transport layer to stop a receiving host's buffer from overflowing?
1. Segmentation
2. Packets
3. Acknowledgement
4. Flow control
5. Authentication
When data is encapsulated, which is the correst order?
1. Data, frame, segment, packet, bit
2. Segment, data, packet, frame, bit
3. Data, segment, packet, frame, bit
4. Data, packet, segment, frame, bit
What does the term "Base" indicate in 100Base-TX?
1. The maximum distance
2. The type of wiring used
3. A LAN switch method using half duplex
4. A signaling method for communication on the network
Which of the following are Presentation layer protocols? Select all that apply.
1. TFTP
2. RTF
3. QuickTime
4. MIDI
5. IP
6. TCP
Which of the following are considered some reasons for LAN congestion? Select all that apply.
1. Low bandwidth
2. Too many users in a broadcast domain
3. Broadcast stroms
4. Multicasting
5. Routing
Which of the following are reasons for breaking up a network into two segment with a router? (Choose 2)
1. To create fewer broadcast domain
2. To create more broadcast domain
3. To create one large broadcast domain
4. To stop one segment's broadcast from being sent to the second segment.
Which LAN switch method runs a CRC on every frame?
1. Cut-through
2. Store-and-forward
3. FragmentCheck
4. FragmentFree
Layer-2 switching provides which of the following? (choose 2)
1. Hardware-based bridging (MAC)
2. Wire speed
3. High Latency
4. High cost
If your network is currently congested and you are using only hubs in your network, what would be the best solution to decrease congestion on your network?
1. Cascade your hubs
2. Replace your hubs with switches
3. Replace your hubs with routers
4. Add faster hubs
What are the three distinct functions of layer-2 switching that increase available bandwidth on the network?
1. Address learning
2. Routing
3. Forwarding and filtering
4. Creating network loops
5. Loop avoidance
6. IP addressing
The MAC address table in a LAN switch is used to
1. Map the source MAC address to the source switch port
2. Map the source MAC address to the destination switch port
3. Map the destination MAC address to the source switch port
4. Map the destination MAC address to the destination switch port
bridged and switched networks commonly utilise redundant pathways to ensure a fault-tolerant network. If the redundancy is not proper managed, loops in the topology may cause which of the following problems? Select all that apply.
1. Conflicting MAC address entries in the MAC address table of bridges or switches
2. Unrecoverable application errors
3. Broadcast storms
4. None of the above
If a switch determines that the destination of a frame is the same port from which the frame was received, the switch will:
1. Forward the frame back out the port from which it was received
2. Drop the frame
3. Flood the frame out all ports except the one on which it was received
4. Flood the frame out all ports including the one which it was received
What range of addresses can be used in the first octet of a Class B network address?
1. 1-126
2. 1-127
3. 128-190
4. 128-191
5. 129-190
6. 129-191
What are the two most common elements of a request/reply pair with ICMP message using the Ping program?
1. Echo reply
2. Echo request
3. Destination unreachable
4. Source quench
Which of the following are true?
1. TCP is connection-oriented but doesn't use flow control
2. IP is not necessary on all hosts that use TCP
3. ICMP must be implemented by all TCP/IP hosts
4. ARP is used to find a hardware address from a known IP address
How many subnets and hosts can you get from the network 192.168.254.0/26?
1. 4 networks with 64 hosts
2. 2 networks with 62 hosts
3. 254 networks with 254 hosts
4. 1 network with 254 hosts
5. 2 networks with 64 hosts
6. 4 networks with 62 hosts
What keystroke will terminate setup mode?
1. Ctrl+Z
2. Ctrl+break
3. Ctrl+C
4. Ctrl+Shift+6, then X
What do the square brackets indicate when in setup mode?
1. That the router needs to be reloaded
2. Values entered are not saved
3. Current or default setting
4. Hard-coded values that cannot be changed
Which of the following are solutions for reducing distance vector routing loops?
1. Split horizon
2. Hierarchical networking
3. Holddown timers
4. Link-state routing
5. Count to infinity
Which of the following is an Internet Protocol (IP) link-state protocol used in the TCP/IP stack?
1. RIPv2
2. EIGRP
3. OSPF
4. BGP
How is the 16300 calculated in the following? (choose 2)
D 192.168.10.0 [90/16300] via 192.168.20.1
1. MTU
2. Load
3. Bandwidth
4. Delay
5. Administrative distance
6. Reliablity