1. A web client is sending a request for a webpage to a web server. From the perspective of the client, what is the correct order of the protocol stack that is used to prepare the request for transmission?
• Ethernet, IP, TCP, HTTP
• HTTP, IP, TCP, Ethernet
• HTTP, TCP, IP, Ethernet
• Ethernet, TCP, IP, HTTP
2. Which three layers of the OSI model are comparable in function to the application layer of the TCP/IP model? (Choose three.)
• Transport
• data link
• presentation
• network
• physical
• application
• session
3. What is an advantage of network devices using open standard protocols?
• A client host and a server running different operating systems can successfully exchange data.
• Network communications is confined to data transfers between devices from the same vendor.
• Internet access can be controlled by a single ISP in each market.
• Competition and innovation are limited to specific types of products.
4. What type of communication will send a message to all devices on a local area network?
• Allcast
• Broadcast
• Unicast
• multicast
5. What three application layer protocols are part of the TCP/IP protocol suite? (Choose three.)
• PPP
• DNS
• DHCP
• NAT
• ARP
• FTP
6. What process is used to place one message inside another message for transfer from the source to the destination?
• access control
• decoding
• flow control
• encapsulation
7. Which characteristic describes the default gateway of a host computer?
• the physical address of the switch interface connected to the host computer
• the logical address assigned to the switch interface connected to the router
• the logical address of the router interface on the same network as the host computer
• the physical address of the router interface on the same network as the host computer
8. Which statement is true about the TCP/IP and OSI models?
• The TCP/IP transport layer and OSI Layer 4 provide similar services and functions.
• The OSI Layer 7 and the TCP/IP application layer provide identical functions.
• The first three OSI layers describe general services that are also provided by the TCP/IP internet layer.
• The TCP/IP network access layer has similar functions to the OSI network layer.
9. Refer to the exhibit. If Host1 were to transfer a file to the server, what layers of the TCP/IP model would be used?
• only application, Internet, and network access layers
• application, session, transport, network, data link, and physical layers
• only application and Internet layers
• only Internet and network access layers
• application, transport, Internet, and network access layers
• only application, transport, network, data link, and physical layers
10. Which PDU format is used when bits are received from the network medium by the NIC of a host?
• File
• Frame
• Segment
• packet
11. Which statement is correct about network protocols?
• They are only required for exchange of messages between devices on remote networks.
• They all function in the network access layer of TCP/IP.
• They define how messages are exchanged between the source and the destination.
• Network protocols define the type of hardware that is used and how it is mounted in racks.
12. What are proprietary protocols?
• protocols developed by private organizations to operate on any vendor hardware
• a collection of protocols known as the TCP/IP protocol suite
• protocols developed by organizations who have control over their definition and operation
• protocols that can be freely used by any organization or vendor
13. Which address does a NIC use when deciding whether to accept a frame?
• source IP address
• destination IP address
• source MAC address
• destination MAC address
• source Ethernet address
14. Which PDU is processed when a host computer is de-encapsulating a message at the transport layer of the TCP/IP model?
• Packet
• Frame
• Segment
• bits
15. At which layer of the OSI model would a logical address be added during encapsulation?
• data link layer
• transport layer
• physical layer
• network layer
16. Refer to the exhibit. HostA is attempting to contact ServerB. Which two statements correctly describe the addressing that HostA will generate in the process? (Choose two.)
• A frame with the destination MAC address of SwitchA.
• A packet with the destination IP address of ServerB.
• A frame with the destination MAC address of ServerB.
• A packet with the destination IP address of RouterA.
• A frame with the destination MAC address of RouterA.
• A packet with the destination IP address of RouterB.
17. What is an advantage of using standards to develop and implement protocols?
• A particular protocol can only be implemented by one manufacturer.
• Standards provide flexibility for manufacturers to create devices that comply with unique requirements.
• Products from different manufacturers can interoperate successfully.
• Different manufacturers are free to apply different requirements when implementing a protocol.
18. What will happen if the default gateway address is incorrectly configured on a host?
• The host cannot communicate with other hosts in the local network.
• The switch will not forward packets initiated by the host.
• The host will have to use ARP to determine the correct address of the default gateway.
• The host cannot communicate with hosts in other networks.
• A ping from the host to 127.0.0.1 would not be successful.
19. What method can be used by two computers to ensure that packets are not dropped because too much data is being sent too quickly?
• access method
• encapsulation
• flow control
• response timeout
20. Match each description to its corresponding term. (Not all options are used.)
21. Match the protocol function to the description while taking into consideration that a network client is visiting a web site. (Not all options are used.)
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