Cisco Final Exam 26-50

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

POP DNS

Which three layers of the OSI model map to the application layer of the TCP/IP model? (Choose three.) application network data link session presentation transport

application session presentation

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? A. Layer 2 destination address = 00-00-0c-94-36-ab Layer 2 source address = 00-00-0c-94-36-bb Layer 3 destination address = 172.16.20.200 Layer 3 source address = 172.16.10.200 B. Layer 2 destination address = 00-00-0c-94-36-dd Layer 2 source address = 00-00-0c-94-36-bb Layer 3 destination address = 172.16.20.200 Layer 3 source address = 172.16.10.200 C. Layer 2 destination address = 00-00-0c-94-36-cd Layer 2 source address = 00-00-0c-94-36-bb Layer 3 destination address = 172.16.20.99 Layer 3 source address = 172.16.10.200 D. Layer 2 destination address = 00-00-0c-94-36-ab Layer 2 source address = 00-00-0c-94-36-bb Layer 3 destination address = 172.16.20.200 Layer 3 source address = 172.16.100.200

A. Layer 2 destination address = 00-00-0c-94-36-ab Layer 2 source address = 00-00-0c-94-36-bb Layer 3 destination address = 172.16.20.200 Layer 3 source address = 172.16.10.200

Which subnet would include the address 192.168.1.96 as a usable host address? A. 192.168.1.64/26 B. 192.168.1.32/27 C. 192.168.1.32/28 D. 192.168.1.64/29

A. 192.168.1.64/26

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? A. 255.255.255.128 B. 255.255.255.240 C. 255.255.255.248 D. 255.255.255.224

A. 255.255.255.128

What service is provided by SMTP? A. Allows clients to send email to a mail server and the servers to send email to other servers. B. Allows remote access to network devices and servers. C. Uses encryption to provide secure remote access to network devices and servers. D. An application that allows real-time chatting among remote users.

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

What are two characteristics of IP? (Choose two.) A. does not require a dedicated end-to-end connection B. operates independently of the network media C. retransmits packets if errors occur D. re-assembles out of order packets into the correct order at the receiver end E. guarantees delivery of packets

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

What are two common causes of signal degradation when using UTP cabling? (Choose two.) A. improper termination B. low-quality shielding in cable C. installing cables in conduit D. low-quality cable or connectors E. loss of light over long distances

A. improper termination D. low-quality cable or connectors

What three requirements are defined by the protocols used in network communcations to allow message transmission across a network? (Choose three.) A. message size B. message encoding C. connector specifications D. media selection E. delivery options F. end-device installation

A. message size B. message encoding E. delivery options

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.) A. security B. quality of service C. scalability D. powerline networking E. integrity F. fault tolerance

A. security B. quality of service F. fault tolerance

Which two statements describe how to assess traffic flow patterns and network traffic types using a protocol analyzer? (Choose two.) A. Capture traffic on the weekends when most employees are off work. B. Capture traffic during peak utilization times to get a good representation of the different traffic types. C. Only capture traffic in the areas of the network that receive most of the traffic such as the data center. D. Perform the capture on different network segments. E. Only capture WAN traffic because traffic to the web is responsible for the largest amount of traffic on a network.

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

What is the consequence of configuring a router with the ipv6 unicast-routing global configuration command?​ A. All router interfaces will be automatically activated. B. The IPv6 enabled router interfaces begin sending ICMPv6 Router Advertisement messages. C. Each router interface will generate an IPv6 link-local address.​ D. It statically creates a global unicast address on this router.

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

What will happen if the default gateway address is incorrectly configured on a host? A. The host cannot communicate with other hosts in the local network. B. The host cannot communicate with hosts in other networks. C. A ping from the host to 127.0.0.1 would not be successful. D. The host will have to use ARP to determine the correct address of the default gateway. E. The switch will not forward packets initiated by the host.

B. 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.) A. This host does not have a default gateway configured. B. There are 4 hops between this device and the device at 192.168.100.1. C. There is connectivity between this device and the device at 192.168.100.1. D. The connectivity between these two hosts allows for videoconferencing calls. E. The average transmission time between the two hosts is 2 milliseconds.

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

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? A. 255.255.255.240 B. 255.255.255.224 C. 255.255.255.192 D. 255.255.255.128

C. 255.255.255.192

Which scenario describes a function provided by the transport layer? A. A student is using a classroom VoIP phone to call home. The unique identifier burned into the phone is a transport layer address used to contact another network device on the same network. B. A student is playing a short web-based movie with sound. The movie and sound are encoded within the transport layer header. C. 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. D. A corporate worker is accessing a web server located on a corporate network. The transport layer formats the screen so the web page appears properly no matter what device is being used to view the web site.

C. 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 are two features of ARP? (Choose two.) A. When a host is encapsulating a packet into a frame, it refers to the MAC address table to determine the mapping of IP addresses to MAC addresses. B. An ARP request is sent to all devices on the Ethernet LAN and contains the IP address of the destination host and its multicast MAC address. C. 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. D. If no device responds to the ARP request, then the originating node will broadcast the data packet to all devices on the network segment. E. If a device receiving an ARP request has the destination IPv4 address, it responds with an ARP reply.

C. 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. E. If a device receiving an ARP request has the destination IPv4 address, it responds with an ARP reply.

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? Switch> config t %Invalid input detected at '^' marker A. The entire command, configure terminal, must be used. B. The administrator is already in global configuration mode. C. The administrator must first enter privileged EXEC mode before issuing the command. D. The administrator must connect via the console port to access global configuration mode.

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

A client packet is received by a server. The packet has a destination port number of 80. What service is the client requesting? A. DHCP B. SMTP C. DNS D. HTTP

D. HTTP

What characteristic describes a DoS attack? A. the use of stolen credentials to access private data B. a network device that filters access and traffic coming into a network C. software that is installed on a user device and collects information about the user D. an attack that slows or crashes a device or network service

D. 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? A. automation B. accounting C. authentication D. authorization

D. authorization

What does the term "attenuation" mean in data communication? A. strengthening of a signal by a networking device B. leakage of signals from one cable pair to another C. time for a signal to reach its destination D. loss of signal strength as distance increases

D. loss of signal strength as distance increases

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? A. nothing, because the router has a route to the destination network B. open the header and use it to determine whether the data is to be sent out S0/0/0 C. open the header and replace the destination MAC address with a new one D. remove the Ethernet header and configure a new Layer 2 header before sending it out S0/0/0

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

What are two ICMPv6 messages that are not present in ICMP for IPv4? (Choose two.) Neighbor Solicitation Destination Unreachable Host Confirmation Time Exceeded Router Advertisement Route Redirection

Neighbor Solicitation Router Advertisement