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networking f6
| Question | Answer |
|---|---|
| At a minimum, which address is required on IPv6-enabled interfaces? Group of answer choices global unicast unique local site local link-local | link-local |
| What is the minimum configuration for a router interface that is participating in IPv6 routing? Group of answer choices to have both an IPv4 and an IPv6 address to have only a link-local IPv6 address to have a self-generated loopback address | to have only a link-local IPv6 address |
| Which type of IPv6 address is not routable and used only for communication on a single subnet? Group of answer choices unique local address link-local address loopback address unspecified address global unicast address | link-local address |
| What is the purpose of the command ping ::1? Group of answer choices It tests the internal configuration of an IPv6 host. It tests the broadcast capability of all hosts on the subnet. | It tests the internal configuration of an IPv6 host. |
| Which IPv6 network prefix is only intended for local links and can not be routed? Group of answer choices FEC0::/10 FE80::/10 FC00::/7 2001::/3 | FE80::/10 |
| What is the subnet address for the IPv6 address 2001:D12:AA04:B5::1/64? | 2001:D12:AA04:B5::/64 |
| What type of address is automatically assigned to an interface when IPv6 is enabled on that interface? Group of answer choices loopback unique local link-local global unicast | link-local |
| Why does HTTP use TCP as the transport layer protocol? Group of answer choices because HTTP requires reliable delivery because HTTP is a best-effort protocol to ensure the fastest possible download speed | because HTTP requires reliable delivery |
| 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 physical addresses destination and source port numbers | destination and source physical addresses destination and source port numbers |
| What is the purpose of ICMP messages? Group of answer choices to ensure the delivery of an IP packet to provide feedback of IP packet transmissions to inform routers about network topology changes | to provide feedback of IP packet transmissions |
| code 0 | network unreachable |
| code 1 | Communication with destination administratively prohibited / host unreachable |
| code 2 | Beyond scope of source address |
| code 3 | Address unreachable |
| code 4 | Port unreachable |
| What are three parts of an IPv6 global unicast address? (Choose three.) | a global routing prefix that is used to identify the network portion of the address that has been provided by an ISP an interface ID that is used to identify the local host on the network |
| What are three parts of an IPv6 global unicast address? (Choose three.) | a subnet ID that is used to identify networks inside of the local enterprise site |
| Which address type is not supported in IPv6? Group of answer choices private broadcast multicast unicast | broadcast |
| In what two situations would UDP be better than TCP as the preferred transport protocol? (Choose two.) | when a faster delivery mechanism is needed when applications do not need to guarantee delivery of the data |
| Which protocol is used by the traceroute command to send and receive echo-requests and echo-replies? Group of answer choices ICMP SNMP TCP Telnet | ICMP |
| 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 |
| What information is used by TCP to reassemble and reorder received segments? Group of answer choices fragment numbers acknowledgment numbers port numbers sequence numbers | sequence numbers |
| Which three fields are used in a UDP segment header? (Choose three.) Group of answer choices Length Checksum Window Size Source Port | Length Checksum Source Port |
| 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. |
| Which three statements characterize UDP? | UDP relies on application layer protocols for error detection. UDP provides basic connectionless transport layer functions. UDP is a low overhead protocol that does not provide sequencing or flow control mechanisms. |
| What source IP address does a router use by default when the traceroute command is issued? Group of answer choices the IP address of the outbound interface a loopback IP address the highest configured IP address on the router | the IP address of the outbound interface |
| Which ICMPv6 message is sent when the IPv6 hop limit field of a packet is decremented to zero and the packet cannot be forwarded? Group of answer choices network unreachable port unreachable time exceeded protocol unreachable | time exceeded |
| Which two fields are included in the TCP header but not in the UDP header? (Choose two.) Group of answer choices window checksum source port sequence number | window sequence number |
| Which flag in the TCP header is used in response to a received FIN in order to terminate connectivity between two network devices? Group of answer choices ACK RST SYN FIN | ACK |
| Which protocol or service uses UDP for a client-to-server communication and TCP for server-to-server communication? Group of answer choices HTTP SMTP DNS FTP | DNS |
| What are three responsibilities of the transport layer? (Choose three.) | meeting the reliability requirements of applications, if any multiplexing multiple communication streams from many users or applications on the same network |
| What are three responsibilities of the transport layer? (Choose three.) | identifying the applications and services on the client and server that should handle transmitted data |
| What is a characteristic of UDP? | UDP reassembles the received datagrams in the order they were received. |
| What are two roles of the transport layer in data communication on a network? | identifying the proper application for each communication stream tracking the individual communication between applications on the source and destination hosts |
| What does a client do when it has UDP datagrams to send? | It just sends the datagrams. |
| What kind of port must be requested from IANA in order to be used with a specific application? Group of answer choices private port source port dynamic port registered port | registered port |
Created by:
f3xo