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F6 formative
| Question | Answer |
|---|---|
| What is the prefix associated with the IPv6 address 2001:CA48:D15:EA:CC44::1/64? | 2001:CA48:D15:EA::/64 |
| What are three parts of an IPv6 global unicast address? (Choose three.) | an interface ID that is used to identify the local host on the network a subnet ID that is used to identify networks inside of the local enterprise a global routing prefix that is used to identify the network portion of the address |
| What is indicated by a successful ping to the ::1 IPv6 address? | IP is properly installed on the host. |
| What type of address is automatically assigned to an interface when IPv6 is enabled on that interface? | link-local |
| What is the subnet address for the IPv6 address 2001:D12:AA04:B5::1/64? | 2001:D12:AA04:B5::/64 |
| Your organization is issued the IPv6 prefix of 2001:0000:130F::/48 by your service provider. With this prefix, how many bits are available for your organization to create subnetworks if interface ID bits are not borrowed? | 16 |
| What is the interface ID of the IPv6 address 2001:DB8::1000:A9CD:47FF:FE57:FE94/64? | A9CD:47FF:FE57:FE94 |
| What is the minimum configuration for a router interface that is participating in IPv6 routing? | to have only a link-local IPv6 address |
| Which address type is not supported in IPv6? | broadcast |
| At a minimum, which address is required on IPv6-enabled interfaces? | link-local |
| How many subnets will you get if the original IPv6 prefix is /56 and the new prefix id /59 ? | 8 |
| Given a /32 Global Routing Prefix and a /64 prefix, how many bits would be allocated for the Subnet ID? | 32 |
| 128 | |
| What will be the new prefix if you subnet an IPv6 with prefix /48 into 128 subnets ? | /55 |
| How many subnets will you get if the original IPv6 prefix is /44 and the new prefix id /52 ? | 256 |
| How many subnets will you get if the original IPv6 prefix is /48 and the new prefix id /54 ? | 64 |
| How many subnets will you get if the original IPv6 prefix is /48 and the new prefix id /53 ? | 32 |
| How many subnets will you get if the original IPv6 prefix is /52 and the new prefix id /58 ? | 64 |
| What will be the new prefix if you subnet an IPv6 with prefix /48 into 64 subnets ? | /54 |
| Which two characteristics are associated with UDP sessions? (Choose two.) | Received data is unacknowledged. Destination devices receive traffic with minimal delay. |
| What does a client do when it has UDP datagrams to send? | It just sends the datagrams. |
| Which three application layer protocols use TCP? (Choose three.) | HTTP SMTP FTP |
| A PC that is communicating with a web server has a TCP window size of 6,000 bytes when sending data and a packet size of 1,500 bytes. Which byte of information will the web server acknowledge after it has received four packets of data from the PC? | 6001 |
| Which scenario describes a function provided by the transport layer? | A student has two web browser windows open in order to access two web sites. The transport layer ensures the correct web page is delivered to the correct browser window. |
| A PC is downloading a large file from a server. The TCP window is 1000 bytes. The server is sending the file using 100-byte segments. How many segments will the server send before it requires an acknowledgment from the PC? | 10 segments |
| Which flag in the TCP header is used in response to a received FIN in order to terminate connectivity between two network devices? | ACK |
| What kind of port must be requested from IANA in order to be used with a specific application? | registered port |
| Which two fields are included in the TCP header but not in the UDP header? (Choose two.) | window sequence number |
| A user issues a ping 10.10.14.67 command and receives a response that includes a code of 0 . What does this code represent? | network unreachable |
| Which three statements characterize UDP? (Choose three.) | UDP relies on application layer protocols for error detection. UDP is a low overhead protocol that does not provide sequencing or flow control mechanisms. UDP provides basic connectionless transport layer functions. |
| A user issues a ping fe80:65ab:dcc1::100 command and receives a response that includes a code of 3 . What does this code represent? | address unreachable |
| What is the purpose of ICMP messages? | to provide feedback of IP packet transmissions |
| Which protocol or service uses UDP for a client-to-server communication and TCP for server-to-server communication? | DNS |
| Which factor determines TCP window size? | the amount of data the destination can process at one time |
| Why does HTTP use TCP as the transport layer protocol? | because HTTP requires reliable delivery |
| A user issues a ping 192.135.250.103 command and receives a response that includes a code of 1 . What does this code represent? | host unreachable |
| A user issues a ping 2001:db8:ABCD:39::10 command and receives a response that includes a code of 2 . What does this code represent? | protocol unreachable. |
| A user issues a ping 2001:db8:1ACE:39::10 command and receives a response that includes a code of 3 . What does this code represent? | address unreachable |
| Which ICMPv6 message is sent when the IPv6 hop limit field of a packet is decremented to zero and the packet cannot be forwarded? | network unreachable |
| What is the most compressed representation of the IPv6 address 2001:0000:0000:abcd:0000:0000:0000:0001? | 2001:0:0:abcd::1 |
| Which IPv6 network prefix is only intended for local links and can not be routed? | FE80::/10 |
| What is the valid most compressed format possible of the IPv6 address 2001:0DB8:0000:AB00:0000:0000:0000:1234? | 2001:DB8:0:AB00::1234 |
| Which field in an IPv6 GUA is used for subnetting? | Subnet ID |
| How many subnets will you get if the original IPv6 prefix is /48 and the new prefix id /50 ? | 4 |
| How many subnets will you get if the original IPv6 prefix is /44 and the new prefix id /50 ? | 64 |
| Given a /48 Global Routing Prefix and a /64 prefix, what is the subnet portion of the following address: 2001:db8:cafe:1111:2222:3333:4444:5555 | 1111 |
| A technician uses the ping 127.0.0.1 command. What is the technician testing?. | the TCP/IP stack on a network host |
| What important information is added to the TCP/IP transport layer header to ensure communication and connectivity with a remote network device? | destination and source port numbers |
| A user executes a traceroute over IPv6. At what point would a router in the path to the destination device drop the packet? | when the value of the Hop Limit field reaches zero |
| How are port numbers used in the TCP/IP encapsulation process? A PC that is communicating with a web server has a TCP window size of 6,000 bytes when sending data and a packet size of 1,500 bytes. Which byte of information will the web server acknuledg | If multiple conversations occur that are using the same service, the source port number is used to track the separate conversations. |
| A PC that is communicating with a web server has a TCP window size of 6,000 bytes when sending data and a packet size of 1,500 bytes. Which byte of information will the web server acknowledge after it has received two packets of data from the PC? | 3001 |
| What are three responsibilities of the transport layer? (Choose three.) | Checksum Source Port Length |
| A user issues a ping 2001:db8:ABCD:39::10 command and receives a response that includes a code of 2 . What does this code represent? | beyond scope of the source address |
| A PC that is communicating with a web server has a TCP window size of 6,000 bytes when sending data and a packet size of 1,500 bytes. Which byte of information will the web server acknowledge after it has received three packets of data from the PC? | 4501 |
| Which protocol is used by the traceroute command to send and receive echo-requests and echo-replies? | ICMP |
| Which ICMPv6 message is sent when the IPv6 hop limit field of a packet is decremented to zero and the packet cannot be forwarded? | time exceeded |
| Which two types of applications are best suited for UDP? (Choose two.) | applications that can tolerate some data loss, but require little or no delay applications that handle reliability themselves |
Created by:
PipoyKuraku