ccna finals 2

What is the consequence of configuring a router with the ipv6 unicast-routing global configuration command?​

The IPv6 enabled router interfaces begin sending ICMPv6 Router Advertisement messages.

Refer to the exhibit. An administrator is trying to configure the switch but receives the error message that is displayed in the exhibit. What is the problem?

The administrator must first enter privileged EXEC mode before issuing the command.

What service is provided by SMTP?

Allows clients to send email to a mail server and the servers to send email to other servers.

Which two statements describe how to assess traffic flow patterns and network traffic types using a protocol analyzer? (Choose two.)

Capture traffic during peak utilization times to get a good representation of the different traffic types. Perform the capture on different network segments.

What are two features of ARP? (Choose two.) (tricky)

If a device receiving an ARP request has the destination IPv4 address, it responds with an ARP reply. If a host is ready to send a packet to a local destination device and it has the IP address but not the MAC address of the destination, it generates an ARP broadcast.

What two pieces of information are displayed in the output of the show ip interface brief command? (Choose two.)

Layer 1 statuses IP addresses

Refer to the exhibit. Host B on subnet Teachers transmits a packet to host D on subnet Students. Which Layer 2 and Layer 3 addresses are contained in the PDUs that are transmitted from host B to the router?

Layer 2 destination address = 00-00-0c-94-36-abLayer 2 source address = 00-00-0c-94-36-bbLayer 3 destination address = 172.16.20.200Layer 3 source address = 172.16.10.200

Which two protocols operate at the top layer of the TCP/IP protocol suite? (Choose two.)

POP DNS

A network administrator is adding a new LAN to a branch office. The new LAN must support 90 connected devices. What is the smallest network mask that the network administrator can use for the new network?

255.255.255.128

A network administrator is adding a new LAN to a branch office. The new LAN must support 61 connected devices. What is the smallest network mask that the network administrator can use for the new network?

255.255.255.192

A network administrator is adding a new LAN to a branch office. The new LAN must support 25 connected devices. What is the smallest network mask that the network administrator can use for the new network?

255.255.255.224

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.

What will happen if the default gateway address is incorrectly configured on a host?

The host cannot communicate with hosts in other networks.

Refer to the exhibit. On the basis of the output, which two statements about network connectivity are correct? (Choose two.)

There are 4 hops between this device and the device at 192.168.100.1. There is connectivity between this device and the device at 192.168.100.1.

What characteristic describes a DoS attack?

an attack that slows or crashes a device or network service

A company has a file server that shares a folder named Public. The network security policy specifies that the Public folder is assigned Read-Only rights to anyone who can log into the server while the Edit rights are assigned only to the network admin group. Which component is addressed in the AAA network service framework?

authorization

What are two characteristics of IP? (Choose two.)

does not require a dedicated end-to-end connection operates independently of the network media

An employee of a large corporation remotely logs into the company using the appropriate username and password. The employee is attending an important video conference with a customer concerning a large sale. It is important for the video quality to be excellent during the meeting. The employee is unaware that after a successful login, the connection to the company ISP failed. The secondary connection, however, activated within seconds. The disruption was not noticed by the employee or other employees.What three network characteristics are described in this scenario? (Choose three.)

fault tolerance security quality of service

What does the term "attenuation" mean in data communication?

loss of signal strength as distance increases

What are two common causes of signal degradation when using UTP cabling? (Choose two.)

low-quality cable or connectors improper termination

What three requirements are defined by the protocols used in network communcations to allow message transmission across a network? (Choose three.)

message size message encoding delivery options

Refer to the exhibit. If PC1 is sending a packet to PC2 and routing has been configured between the two routers, what will R1 do with the Ethernet frame header attached by PC1?

remove the Ethernet header and configure a new Layer 2 header before sending it out S0/0/0

Which three layers of the OSI model map to the application layer of the TCP/IP model? (Choose three.)

session presentation application

Which subnet would include the address 192.168.1.96 as a usable host address?

192.168.1.64/26