Final Exam: Progression: Field Tech III - IV Final
Questions and Verified Answers 100% Correct|
Grade A
The open system interconnection reference model (OSI/R<) Network layer serves which primary
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function? - Answer - It uses layer 3 addresses to create multiple routed networks
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The address 68.56.189.17 belongs to which internet protocol IP class? - Answer - Class A
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What happens to a datagram sent by a higher level protocol to a 127.x.y.z address? - Answer - The
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datagram loops back inside the host and never leaves the network interface card (NIC)
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Which device evaluates and acts upon a packet's internal protocol (IP) address? - Answer - Router
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The network layer must do what to a recieved frame, in order to determine the route over which it will
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forward the datagram to the next network? - Answer - Decapsulate the packet
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What network information can be determined from a logical internet protocol (IP) address? - Answer -
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The host portion and network portion
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the physical address of a device is processed by which layer of the open systems interconnection reference
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model (OSI/RM)? - Answer - The data link layer
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Which layer of the open system interconnection reference modle (OSI/RM) would you suspect as being
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the problem when packets arriving at the server but no information is being returned to the client? -
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Answer - The transport layer
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All computers running on the transmission control protocol/internet protocol (TCP/IP) suite have which
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of the following in common? - Answer - Each computer is assigned its own internet protocol (IP)
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address
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A repeater operates at which layer of the open systems interconnection reference model (OSI/RM)? -
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Answer - The physical layer.
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Which of the following protocols allows email clients to download their messages from an email server? -
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Answer - Post office protocol version 3 (POP3)
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Hypertext transfer protocol (HTTP) is what type of protocol? - Answer - Stateless
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On the file transfer protocol (FTP) server, what manages client requests for file retrieval or transmission?
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- Answer - A daemon
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What are the primary requirements to connect a transmission control protocol/ internet protocol
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(TCP/IP) network? - Answer - Unique pairs of network layer and transport layer addresses and use of
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the TCP/IP protocol suit.
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What type of delivery method uses an email server between the sender and the receiver of messages? -
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Answer - Store-and-forward
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Host names and uniform resource locators (URL) are resolved to internet protocol (IP) addresses by
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which of the following? - Answer - Domain Name System (DNS)
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What happens when the browser application finishes the downloading the files necessary to display a web
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, typage? - Answer - The browser server drop the connections, and the browser maintains th epage and its
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Which email protocol enables the messages to be viewed without first downloading them from the email
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server? - Answer - Internet Message AccessPprotocol version 4 (IMAP4)
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What type of server maintains an access log to assist with troubleshooting and tracking down malicious
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users? - Answer - File transfer Protocol Server (FTP)
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A store and forward email system will not deliver messages until - Answer - The host requests the
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information
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What is the binary equivalent of decimal 136? - Answer - 10001000
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Convert the internet protocol (IP) address 172.68.10.2 from decimal to binary. - Answer -
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10101100.01000100.00001010.000000010
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Convert the binary internet protocol (IP) address 01110011.11001000.00101100.00000010 to decimal. -
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Answer - 115.200.44.2
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Which is the result of ANDing the internet protocol (IP) address 23.176.224.18 with the subnet mask
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255.224.0.0? - Answer - 23.160.0.0
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Which represents the prefix bits for the subnet mask 255.255.0.0 - Answer - /16
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if we borrow 3 bits from a class C network address, how many usable subnets have we created? - Answer -
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8
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What isolates an internet protocol (IP) address's network portion from its host portion? - Answer - A
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network mask
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What is the best description if the internet protocol (IP) address prefix? - Answer - It is the shorthand
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notation for the combined network and subnet mask.
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In a network mask address, what identifies the network and host portions of the address? - Answer - The
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network portion of the net mask is set to all ones, and the host is set to all zeros
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Why is sub-netting used? - Answer - It allows network administrators to break up a single network
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address into smaller network addresses.
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Which internet protocol (IP) packet fragmentation header field specifies where the fragment belongs in
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the original data gram? - Answer - Fragment offset
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Which is the internet protocol (IP) header protocol number used to specify that the packets contents were
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created with transmission control protocol (TCP)? - Answer - 6
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Which protocol allows a disk-less workstation to contact a sever and obtain an internet protocol address?
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- Answer - Revers address resolution protocol (RARP)
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What provides user data gram protocol (UDP) with the ability to demultiplex data for an application? -
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Answer - A UDP destination port number
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Which user datagram protocol (UDP) port address enables connection to a device running secure shell? -
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Answer - 22
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Which transmission control protocol (TCP) header control bit represents that the message is initiating a
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connection? - Answer - SYN
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Which of the following two ports are combined in the transmission control protocol (TCP) header? -
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Answer - destination and source
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You know the logical address of an associates computer on the company's local network and you want to
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learn the media access control (MAC) address of your associates computer. Which of the following tools
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could you use? - Answer - Address resolution protocol (ARP)
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Questions and Verified Answers 100% Correct|
Grade A
The open system interconnection reference model (OSI/R<) Network layer serves which primary
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function? - Answer - It uses layer 3 addresses to create multiple routed networks
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The address 68.56.189.17 belongs to which internet protocol IP class? - Answer - Class A
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What happens to a datagram sent by a higher level protocol to a 127.x.y.z address? - Answer - The
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datagram loops back inside the host and never leaves the network interface card (NIC)
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Which device evaluates and acts upon a packet's internal protocol (IP) address? - Answer - Router
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The network layer must do what to a recieved frame, in order to determine the route over which it will
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forward the datagram to the next network? - Answer - Decapsulate the packet
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What network information can be determined from a logical internet protocol (IP) address? - Answer -
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The host portion and network portion
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the physical address of a device is processed by which layer of the open systems interconnection reference
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model (OSI/RM)? - Answer - The data link layer
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Which layer of the open system interconnection reference modle (OSI/RM) would you suspect as being
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the problem when packets arriving at the server but no information is being returned to the client? -
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Answer - The transport layer
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All computers running on the transmission control protocol/internet protocol (TCP/IP) suite have which
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of the following in common? - Answer - Each computer is assigned its own internet protocol (IP)
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address
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A repeater operates at which layer of the open systems interconnection reference model (OSI/RM)? -
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Answer - The physical layer.
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Which of the following protocols allows email clients to download their messages from an email server? -
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Answer - Post office protocol version 3 (POP3)
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Hypertext transfer protocol (HTTP) is what type of protocol? - Answer - Stateless
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On the file transfer protocol (FTP) server, what manages client requests for file retrieval or transmission?
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- Answer - A daemon
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What are the primary requirements to connect a transmission control protocol/ internet protocol
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(TCP/IP) network? - Answer - Unique pairs of network layer and transport layer addresses and use of
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the TCP/IP protocol suit.
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What type of delivery method uses an email server between the sender and the receiver of messages? -
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Answer - Store-and-forward
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Host names and uniform resource locators (URL) are resolved to internet protocol (IP) addresses by
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which of the following? - Answer - Domain Name System (DNS)
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What happens when the browser application finishes the downloading the files necessary to display a web
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, typage? - Answer - The browser server drop the connections, and the browser maintains th epage and its
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tyelements in local memory. ty ty ty
Which email protocol enables the messages to be viewed without first downloading them from the email
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server? - Answer - Internet Message AccessPprotocol version 4 (IMAP4)
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What type of server maintains an access log to assist with troubleshooting and tracking down malicious
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users? - Answer - File transfer Protocol Server (FTP)
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A store and forward email system will not deliver messages until - Answer - The host requests the
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information
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What is the binary equivalent of decimal 136? - Answer - 10001000
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Convert the internet protocol (IP) address 172.68.10.2 from decimal to binary. - Answer -
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10101100.01000100.00001010.000000010
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Convert the binary internet protocol (IP) address 01110011.11001000.00101100.00000010 to decimal. -
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Answer - 115.200.44.2
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Which is the result of ANDing the internet protocol (IP) address 23.176.224.18 with the subnet mask
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255.224.0.0? - Answer - 23.160.0.0
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Which represents the prefix bits for the subnet mask 255.255.0.0 - Answer - /16
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if we borrow 3 bits from a class C network address, how many usable subnets have we created? - Answer -
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8
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What isolates an internet protocol (IP) address's network portion from its host portion? - Answer - A
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network mask
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What is the best description if the internet protocol (IP) address prefix? - Answer - It is the shorthand
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notation for the combined network and subnet mask.
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In a network mask address, what identifies the network and host portions of the address? - Answer - The
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network portion of the net mask is set to all ones, and the host is set to all zeros
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Why is sub-netting used? - Answer - It allows network administrators to break up a single network
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address into smaller network addresses.
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Which internet protocol (IP) packet fragmentation header field specifies where the fragment belongs in
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the original data gram? - Answer - Fragment offset
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Which is the internet protocol (IP) header protocol number used to specify that the packets contents were
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created with transmission control protocol (TCP)? - Answer - 6
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Which protocol allows a disk-less workstation to contact a sever and obtain an internet protocol address?
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- Answer - Revers address resolution protocol (RARP)
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What provides user data gram protocol (UDP) with the ability to demultiplex data for an application? -
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Answer - A UDP destination port number
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Which user datagram protocol (UDP) port address enables connection to a device running secure shell? -
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Answer - 22
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Which transmission control protocol (TCP) header control bit represents that the message is initiating a
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connection? - Answer - SYN
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Which of the following two ports are combined in the transmission control protocol (TCP) header? -
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Answer - destination and source
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You know the logical address of an associates computer on the company's local network and you want to
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learn the media access control (MAC) address of your associates computer. Which of the following tools
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could you use? - Answer - Address resolution protocol (ARP)
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