Ccna Discovery 2 Module 7 Exam Answers Version 4 0
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Transcript of Ccna Discovery 2 Module 7 Exam Answers Version 4 0
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CCNA Discovery 2 Module 7 Exam Answers Version 401 Which two statements are true about the OSI and TCPIP models (Choose two)acirceurocent The two bottom layers of the TCPIP model make up the bottom layer of the OSI modelacirceurocent The TCPIP model is a theoretical model and the OSI model is based on actual protocolsacirceurocent The OSI network layer is comparable to the Internet layer of the TCPIP model acirceurocent The TCPIP model specifies protocols for the physical network interconnectionacirceurocent The TCPIP model is based on four layers and the OSI model is based on seven layers
2 To meet customer expectations an ISP must guarantee a level of service that is based on what two factors (Choose two)acirceurocent accessibilityacirceurocent adaptabilityacirceurocent availabilityacirceurocent reliability acirceurocent scalability
3 User1 is sending an e-mail to User2ciscocom What are two characteristics of the process of sending this data (Choose two)acirceurocent It utilizes TCP port 110acirceurocent A TCP connection is established directly between the User1 and User2 client computers in order to send the e-mail message
acirceurocent It utilizes a store and forward processacirceurocent The same application layer protocol is used to send the e-mail and retrieve it from the destination serveracirceurocent SMTP is used to send the e-mail message to the mail servers
4 Refer to the exhibit Host1 is in the process of setting up a TCP session with Host2 Host1 has sent a SYN message to begin session establishment What happens nextacirceurocent Host1 sends an ACK message to Host2acirceurocent Host1 sends a SYN message to Host2acirceurocent Host1 sends a SYN-ACK message to Host2acirceurocent Host2 sends an ACK message to Host1acirceurocent Host2 sends a SYN message to Host1acirceurocent Host2 sends a SYN-ACK message to Host1
5 What are three characteristics of network reliability (Choose three)acirceurocent Redundant hardware provides enhanced reliabilityacirceurocent Reliability is measured as a percentacirceurocent Reliability is the responsibility of the ISP customersacirceurocent Fault tolerance is a measure of reliabilityacirceurocent The longer the MTBF the greater the reliability
6 Which two statements describe the FTP protocol (Choose two)acirceurocent It uses well-known port 23acirceurocent The protocol interpreter is responsible for the data transfer functionacirceurocent In passive data connections the FTP client initiates the transfer of dataacirceurocent It requires two connections between client and server
acirceurocent FTP servers open a well-known port on the client machine
7 What is the function of the TCP three-way handshakeacirceurocent It enables the synchronization of port numbers between source and destination hosts acirceurocent It immediately triggers the retransmission of lost dataacirceurocent It synchronizes both ends of a connection by allowing both sides to agree upon initial sequence numbersacirceurocent It identifies the destination application on the receiving host
8 What are three characteristics of HTTPS (Choose three)acirceurocent It uses a different client request-server response process than HTTP usesacirceurocent It specifies additional rules for passing data between the application and data link layersacirceurocent It supports authenticationacirceurocent It allows more simultaneous connections than HTTP allowsacirceurocent It encrypts packets with SSLacirceurocent It requires additional server processing time
9 Which DNS zone resolves an IP address to a qualified domain nameacirceurocent dynamic lookupacirceurocent forward lookupacirceurocent resolution lookupacirceurocent reverse lookup
10
What type of update allows client computers to register and update their resource records with a DNS server whenever changes occuracirceurocent dynamicacirceurocent zone transferacirceurocent local recursive queryacirceurocent root domain queryacirceurocent top-level domain query
11 Refer to the exhibit Which two statements are true about this file (Choose two)acirceurocent If the gateway address changes the file will be updated dynamicallyacirceurocent The command ping fileserv will use IP address 17216510acirceurocent If the ping wwwciscocom command is issued the file will be checked for the Cisco web server IP address before DNS is queriedacirceurocent The file must be created by the user if it is to be used by a workstationacirceurocent Name to IP address mappings are added to the file after they are received from DNS
12 Which two tasks are the responsibility of the local DNS server (Choose two)acirceurocent maintaining a large number of cached DNS entries
acirceurocent maintaining the ISP serveracirceurocent mapping name-to-IP addresses for internal hostsacirceurocent forwarding name resolution requests to a caching-only server acirceurocent forwarding all name resolution requests to root servers on the Internet
13 What are three unique characteristics of UDP (Choose three)acirceurocent connection orientedacirceurocent full-duplex operationacirceurocent low overheadacirceurocent no flow controlacirceurocent no error-recovery functionacirceurocent reliable transmission
14 A manufacturing company is looking into subscribing to services from a new ISP The company requires hosted world wide web file transfer and e-mail services Which three protocols represent the key application services that are required by the company (Choose three)acirceurocent FTPacirceurocent HTTP acirceurocent ICMPacirceurocent PPPacirceurocent Telnetacirceurocent SMTP
15 Which two options correctly match protocol and well-known port number (Choose two)acirceurocent DNS ndash 25acirceurocent FTP ndash 110acirceurocent HTTP ndash 80acirceurocent POP3 ndash 25acirceurocent SMTP ndash 25
16 Within TCP what combination makes up a socket pairacirceurocent source port with destination portacirceurocent source IP address with destination portacirceurocent source IP address and destination IP addressacirceurocent source IP address and port with a destination IP address and port
17 Which protocol is used to send e-mail either from a client to a server or from a server to another serveracirceurocent SNMPacirceurocent FTPacirceurocent SMTPacirceurocent HTTPS
18 Refer to the exhibit The PC is requesting HTTP data from the server What is a valid representation of source and destination sockets for this requestacirceurocent Source ndash 19216811780 Destination ndash 19216823980acirceurocent Source ndash 19216811780 Destination ndash 1921682391045acirceurocent Source ndash 1921681171045 Destination ndash 19216823980acirceurocent Source ndash 1921681171045 Destination ndash 1921682391061
19 What type of DNS server is typically maintained by an ISPacirceurocent caching-onlyacirceurocent rootacirceurocent second-levelacirceurocent top-level
20 A client is communicating with a server on a different segment of the network How does the server determine what service is being requested by the clientacirceurocent The server will apply the default service configured in directory servicesacirceurocent The server will use ARP to discover the appropriate service from the local routeracirceurocent The server will send a request to the client asking for the appropriate serviceacirceurocent The server will determine the appropriate service from the destination port field
21
When a host is communicating with multiple applications on the same server at the same time which of the following will have the same value for each session (Choose two)acirceurocent IP addressacirceurocent MAC addressacirceurocent session numberacirceurocent sequence numbersource learn-ccnacomcopyright CCNA Discovery 2 Module 7 Exam Answers Version 40
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acirceurocent FTP servers open a well-known port on the client machine
7 What is the function of the TCP three-way handshakeacirceurocent It enables the synchronization of port numbers between source and destination hosts acirceurocent It immediately triggers the retransmission of lost dataacirceurocent It synchronizes both ends of a connection by allowing both sides to agree upon initial sequence numbersacirceurocent It identifies the destination application on the receiving host
8 What are three characteristics of HTTPS (Choose three)acirceurocent It uses a different client request-server response process than HTTP usesacirceurocent It specifies additional rules for passing data between the application and data link layersacirceurocent It supports authenticationacirceurocent It allows more simultaneous connections than HTTP allowsacirceurocent It encrypts packets with SSLacirceurocent It requires additional server processing time
9 Which DNS zone resolves an IP address to a qualified domain nameacirceurocent dynamic lookupacirceurocent forward lookupacirceurocent resolution lookupacirceurocent reverse lookup
10
What type of update allows client computers to register and update their resource records with a DNS server whenever changes occuracirceurocent dynamicacirceurocent zone transferacirceurocent local recursive queryacirceurocent root domain queryacirceurocent top-level domain query
11 Refer to the exhibit Which two statements are true about this file (Choose two)acirceurocent If the gateway address changes the file will be updated dynamicallyacirceurocent The command ping fileserv will use IP address 17216510acirceurocent If the ping wwwciscocom command is issued the file will be checked for the Cisco web server IP address before DNS is queriedacirceurocent The file must be created by the user if it is to be used by a workstationacirceurocent Name to IP address mappings are added to the file after they are received from DNS
12 Which two tasks are the responsibility of the local DNS server (Choose two)acirceurocent maintaining a large number of cached DNS entries
acirceurocent maintaining the ISP serveracirceurocent mapping name-to-IP addresses for internal hostsacirceurocent forwarding name resolution requests to a caching-only server acirceurocent forwarding all name resolution requests to root servers on the Internet
13 What are three unique characteristics of UDP (Choose three)acirceurocent connection orientedacirceurocent full-duplex operationacirceurocent low overheadacirceurocent no flow controlacirceurocent no error-recovery functionacirceurocent reliable transmission
14 A manufacturing company is looking into subscribing to services from a new ISP The company requires hosted world wide web file transfer and e-mail services Which three protocols represent the key application services that are required by the company (Choose three)acirceurocent FTPacirceurocent HTTP acirceurocent ICMPacirceurocent PPPacirceurocent Telnetacirceurocent SMTP
15 Which two options correctly match protocol and well-known port number (Choose two)acirceurocent DNS ndash 25acirceurocent FTP ndash 110acirceurocent HTTP ndash 80acirceurocent POP3 ndash 25acirceurocent SMTP ndash 25
16 Within TCP what combination makes up a socket pairacirceurocent source port with destination portacirceurocent source IP address with destination portacirceurocent source IP address and destination IP addressacirceurocent source IP address and port with a destination IP address and port
17 Which protocol is used to send e-mail either from a client to a server or from a server to another serveracirceurocent SNMPacirceurocent FTPacirceurocent SMTPacirceurocent HTTPS
18 Refer to the exhibit The PC is requesting HTTP data from the server What is a valid representation of source and destination sockets for this requestacirceurocent Source ndash 19216811780 Destination ndash 19216823980acirceurocent Source ndash 19216811780 Destination ndash 1921682391045acirceurocent Source ndash 1921681171045 Destination ndash 19216823980acirceurocent Source ndash 1921681171045 Destination ndash 1921682391061
19 What type of DNS server is typically maintained by an ISPacirceurocent caching-onlyacirceurocent rootacirceurocent second-levelacirceurocent top-level
20 A client is communicating with a server on a different segment of the network How does the server determine what service is being requested by the clientacirceurocent The server will apply the default service configured in directory servicesacirceurocent The server will use ARP to discover the appropriate service from the local routeracirceurocent The server will send a request to the client asking for the appropriate serviceacirceurocent The server will determine the appropriate service from the destination port field
21
When a host is communicating with multiple applications on the same server at the same time which of the following will have the same value for each session (Choose two)acirceurocent IP addressacirceurocent MAC addressacirceurocent session numberacirceurocent sequence numbersource learn-ccnacomcopyright CCNA Discovery 2 Module 7 Exam Answers Version 40
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acirceurocent maintaining the ISP serveracirceurocent mapping name-to-IP addresses for internal hostsacirceurocent forwarding name resolution requests to a caching-only server acirceurocent forwarding all name resolution requests to root servers on the Internet
13 What are three unique characteristics of UDP (Choose three)acirceurocent connection orientedacirceurocent full-duplex operationacirceurocent low overheadacirceurocent no flow controlacirceurocent no error-recovery functionacirceurocent reliable transmission
14 A manufacturing company is looking into subscribing to services from a new ISP The company requires hosted world wide web file transfer and e-mail services Which three protocols represent the key application services that are required by the company (Choose three)acirceurocent FTPacirceurocent HTTP acirceurocent ICMPacirceurocent PPPacirceurocent Telnetacirceurocent SMTP
15 Which two options correctly match protocol and well-known port number (Choose two)acirceurocent DNS ndash 25acirceurocent FTP ndash 110acirceurocent HTTP ndash 80acirceurocent POP3 ndash 25acirceurocent SMTP ndash 25
16 Within TCP what combination makes up a socket pairacirceurocent source port with destination portacirceurocent source IP address with destination portacirceurocent source IP address and destination IP addressacirceurocent source IP address and port with a destination IP address and port
17 Which protocol is used to send e-mail either from a client to a server or from a server to another serveracirceurocent SNMPacirceurocent FTPacirceurocent SMTPacirceurocent HTTPS
18 Refer to the exhibit The PC is requesting HTTP data from the server What is a valid representation of source and destination sockets for this requestacirceurocent Source ndash 19216811780 Destination ndash 19216823980acirceurocent Source ndash 19216811780 Destination ndash 1921682391045acirceurocent Source ndash 1921681171045 Destination ndash 19216823980acirceurocent Source ndash 1921681171045 Destination ndash 1921682391061
19 What type of DNS server is typically maintained by an ISPacirceurocent caching-onlyacirceurocent rootacirceurocent second-levelacirceurocent top-level
20 A client is communicating with a server on a different segment of the network How does the server determine what service is being requested by the clientacirceurocent The server will apply the default service configured in directory servicesacirceurocent The server will use ARP to discover the appropriate service from the local routeracirceurocent The server will send a request to the client asking for the appropriate serviceacirceurocent The server will determine the appropriate service from the destination port field
21
When a host is communicating with multiple applications on the same server at the same time which of the following will have the same value for each session (Choose two)acirceurocent IP addressacirceurocent MAC addressacirceurocent session numberacirceurocent sequence numbersource learn-ccnacomcopyright CCNA Discovery 2 Module 7 Exam Answers Version 40
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19 What type of DNS server is typically maintained by an ISPacirceurocent caching-onlyacirceurocent rootacirceurocent second-levelacirceurocent top-level
20 A client is communicating with a server on a different segment of the network How does the server determine what service is being requested by the clientacirceurocent The server will apply the default service configured in directory servicesacirceurocent The server will use ARP to discover the appropriate service from the local routeracirceurocent The server will send a request to the client asking for the appropriate serviceacirceurocent The server will determine the appropriate service from the destination port field
21
When a host is communicating with multiple applications on the same server at the same time which of the following will have the same value for each session (Choose two)acirceurocent IP addressacirceurocent MAC addressacirceurocent session numberacirceurocent sequence numbersource learn-ccnacomcopyright CCNA Discovery 2 Module 7 Exam Answers Version 40
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