Zlo
Where does routing occur within the DoD TCP/IP reference model?
Application
Transport
Internet
Network
Other
Please Specify:
Which of the following statements describe the network shown in the graphic? (Choose two.)
There are two broadcast domains in the network.
There are four broadcast domains in the network.
There are six broadcast domains in the network.
There are four collision domains in the network.
There are five collision domains in the network.
There are seven collision domains in the network.
A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port?
This is a 10 Mb/s switch port.
This is a 100 Mb/s switch port.
This is an Ethernet port operating at half duplex.
This is an Ethernet port operating at full duplex.
This is a port on a network interface card in a PC.
Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true? (Choose two.)
Router C will use ICMP to inform Host 1 that Host 2 cannot be reached.
Router C will use ICMP to inform Router B that Host 2 cannot be reached.
Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached.
Router C will send a Destination Unreachable message type.
Router C will send a Router Selection message type.
Router C will send a Source Quench message type.
Refer to the exhibit. Based on the information given, which switch will be elected root bridge and why?
Switch A, because it has the lowest MAC address
Switch A, because it is the most centrally located switch
Switch B, because it has the highest MAC address
Switch C, because it is the most centrally located switch
Switch C, because it has the lowest priority
Switch D, because it has the highest priority
Which layer in the OSI reference model is responsible for determining the availability of the receiving program and checking to see if enough resources exist for that communication?
Transport
Network
Presentation
Session
Application
Refer to the graphic. Host A is communicating with the server. What will be the source MAC address of the frames received by Host A from the server?
The MAC address of router interface e0
The MAC address of router interface e1
The MAC address of the server network interface
The MAC address of host A
A router has two Fast Ethernet interfaces and needs to connect to four VLANs in the local network. How can you accomplish this task, using the fewest physical interfaces and without decreasing network performance?
Use a hub to connect the four VLANS with a Fast Ethernet interface on the router.
Add a second router to handle the VLAN traffic.
Add two more Fast Ethernet interfaces.
Implement a router-on-a-stick configuration.
Network layer
Segments
IP addresses
UDP
Windowing
Routing
Packets
Network layer
Segments
IP addresses
UDP
Windowing
Routing
Packets
Network layer
Segments
IP addresses
UDP
Windowing
Routing
Packets
Transport Layer
Segments
IP addresses
UDP
Windowing
Routing
Packets
Transport Layer
Segments
IP addresses
UDP
Windowing
Routing
Packets
Transport Layer
Segments
IP addresses
UDP
Windowing
Routing
Packets
A network administrator is verifying the configuration of a newly installed host by establishing an FTP connection to a remote server. What is the highest layer of the protocol stack that the network administrator is using for this operation?
Application
Presentation
Session
Transport
Internet
Data link
A receiving host computes the checksum on a frame and determines that the frame is damaged. The frame is then discarded. At which OSI layer did this happen?
Session
Transport
Network
Data link
Physical
Which of the following correctly describe steps in the OSI data encapsulation process? (Choose two.)
The transport layer divides a data stream into segments and may add reliability and flow control information.
The data link layer adds physical source and destination addresses and an FCS to the segment.
Packets are created when the network layer encapsulates a frame with source and destination host addresses and protocolrelated control information.
Packets are created when the network layer adds Layer 3 addresses and control information to a segment.
The presentation layer translates bits into voltages for transmission across the physical link.
Refer to exhibit: Which two destination addresses will be used by Host A to send data to Host C? (Choose two.)
The IP address of Switch 1
The MAC address of Switch 1
The IP address of Host C
The MAC address of Host C
The IP address of the router's E0 interface
The MAC address of the router's E0 interface
What is the difference between a CSU/DSU and a modem?
A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line.
A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line.
A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line.
A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line.
Which of the following describes the roles of devices in a WAN? (Choose three.)
A CSU/DSU terminates a digital local loop.
A modem terminates a digital local loop.
A CSU/DSU terminates an analog local loop.
A modem terminates an analog local loop.
A router is commonly considered a DTE device.
A router is commonly considered a DCE device.
Refer to the exhibit.After HostA pings HostB, which entry will be in the ARP cache of HostA to support this transmission?
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