CCNAv1 Final Exam Version 7.0

B

How does the service password-encryption command enhance password security on Cisco routers and switches? A.It requires encrypted passwords to be used when connecting remotely to a router or switch with Telnet. B.It encrypts passwords that are stored in router or switch configuration files. C.It requires that a user type encrypted passwords to gain console access to a router or switch. D.It encrypts passwords as they are sent across the network.

B

Users report that the network access is slow. After questioning the employees, the network administrator learned that one employee downloaded a third-party scanning program for the printer. What type of malware might be introduced that causes slow performance of the network? A.virus B.worm C.phishing D.spam

D,E,F

A network administrator is designing the layout of a new wireless network. Which three areas of concern should be accounted for when building a wireless network? (Choose three.) A.extensive cabling B.mobility options C.packet collision D.interference E.security F.coverage area

B

A network administrator wants to have the same subnet mask for three subnetworks at a small site. The site has the following networks and numbers of devices: Subnetwork A: IP phones - 10 addresses Subnetwork B: PCs - 8 addresses Subnetwork C: Printers - 2 addresses What single subnet mask would be appropriate to use for the three subnetworks? A.255.255.255.0 B.255.255.255.240 C.255.255.255.248 D.255.255.255.252

A&E

A network technician is researching the use of fiber optic cabling in a new technology center. Which two issues should be considered before implementing fiber optic media? (Choose two.) A.Fiber optic cabling requires different termination and splicing expertise from what copper cabling requires. B.Fiber optic cabling requires specific grounding to be immune to EMI. C.Fiber optic cabling is susceptible to loss of signal due to RFI. D.Fiber optic cable is able to withstand rough handling. E.Fiber optic provides higher data capacity but is more expensive than copper cabling.

C

A user is complaining that an external web page is taking longer than normal to load.The web page does eventually load on the user machine. Which tool should the technician use with administrator privileges in order to locate where the issue is in the network? A.ping B.nslookup C.tracert D.ipconfig /displaydns

A

An organization is assigned an IPv6 address block of 2001:db8:0:ca00::/56. How many subnets can be created without using bits in the interface ID space? A.256 B.512 C.1024 D.4096

A, C, D

Data is being sent from a source PC to a destination server. Which three statements correctly describe the function of TCP or UDP in this situation? (Choose three.) A.The source port field identifies the running application or service that will handle data returning to the PC. B.The TCP process running on the PC randomly selects the destination port when establishing a session with the server. C.UDP segments are encapsulated within IP packets for transport across the network. D.The UDP destination port number identifies the application or service on the server which will handle the data. E.TCP is the preferred protocol when a function requires lower network overhead. F.The TCP source port number identifies the sending host on the network.

C

Refer to the exhibit. A company uses the address block of 128.107.0.0/16 for its network. What subnet mask would provide the maximum number of equal size subnets while providing enough host addresses for each subnet in the exhibit? A.255.255.255.192 B.255.255.255.0 C.255.255.255.128 D.255.255.255.240 E.255.255.255.224

E

Refer to the exhibit. If host A sends an IP packet to host B, what will the destination address be in the frame when it leaves host A? A.DD:DD:DD:DD:DD:DD B.172.168.10.99 C.CC:CC:CC:CC:CC:CC D.172.168.10.65 E.BB:BB:BB:BB:BB:BB F.AA:AA:AA:AA:AA:AA

B & F

Refer to the exhibit. Which two network addresses can be assigned to the network containing 10 hosts? Your answers should waste the fewest addresses, not reuse addresses that are already assigned, and stay within the 10.18.10.0/24 range of addresses. (Choose two.) A.10.18.10.200/28 B.10.18.10.208/28 C.10.18.10.240/27 D.10.18.10.200/27 E.10.18.10.224/27 F.10.18.10.224/28

B C D

What are three characteristics of the CSMA/CD process? (Choose three.) A.The device with the electronic token is the only one that can transmit after a collision. B.A device listens and waits until the media is not busy before transmitting. C.After detecting a collision, hosts can attempt to resume transmission after a random time delay has expired. D.All of the devices on a segment see data that passes on the network medium. E.A jam signal indicates that the collision has cleared and the media is not busy. F.Devices can be configured with a higher transmission priority.

A

What are two functions that are provided by the network layer? (Choose two.) A.directing data packets to destination hosts on other networks B.placing data on the network medium C.carrying data between processes that are running on source and destination hosts D.providing dedicated end-to-end connections

C & D

What are two primary responsibilities of the Ethernet MAC sublayer? (Choose two.) A.error detection B.frame delimiting C.accessing the media D.data encapsulation E.logical addressing

A

What characteristic describes identity theft? A.the use of stolen credentials to access private data B.software on a router that filters traffic based on IP addresses or applications C.software that identifies fast-spreading threats D.a tunneling protocol that provides remote users with secure access into the network of an organization

C

What is one main characteristic of the data link layer? A.It generates the electrical or optical signals that represent the 1 and 0 on the media. B.It converts a stream of data bits into a predefined code. C.It shields the upper layer protocol from being aware of the physical medium to be used in the communication. D.It accepts Layer 3 packets and decides the path by which to forward the packet to a remote network.

B

What technique is used with UTP cable to help protect against signal interference from crosstalk? A.wrapping a foil shield around the wire pairs B.twisting the wires together into pairs C.terminating the cable with special grounded connectors D.encasing the cables within a flexible plastic sheath

A & C

What two ICMPv6 message types must be permitted through IPv6 access control lists to allow resolution of Layer 3 addresses to Layer 2 MAC addresses? (Choose two.) A.neighbor solicitations B.echo requests C.neighbor advertisements D.echo replies E.router solicitations F.router advertisements

A&E

What two pieces of information are displayed in the output of the show ip interface brief command? (Choose two.) A.IP addresses B.interface descriptions C.MAC addresses D.next-hop addresses E.Layer 1 statuses F.speed and duplex settings

B

What would be the interface ID of an IPv6 enabled interface with a MAC address of 1C-6F-65-C2-BD-F8 when the interface ID is generated by using the EUI-64 process? A.0C6F:65FF:FEC2:BDF8 B.1E6F:65FF:FEC2:BDF8 C.C16F:65FF:FEC2:BDF8 D.106F:65FF:FEC2:BDF8

B

When a switch configuration includes a user-defined error threshold on a per-port basis, to which switching method will the switch revert when the error threshold is reached? A.cut-through B.store-and-forward C.fast-forward D.fragment-free

C

Which range of link-local addresses can be assigned to an IPv6-enabled interface? A.FEC0::/10 B.FDEE::/7 C.FE80::/10 D.FF00::/8

B&D

Which two commands can be used on a Windows host to display the routing table? (Choose two.) A. Netstat -s B.route print C.show ip route D.netstat -r E.tracert

A&D

Which two statements are correct about MAC and IP addresses during data transmission if NAT is not involved? (Choose two.) A.Destination IP addresses in a packet header remain constant along the entire path to a target host. B.Destination MAC addresses will never change in a frame that goes across seven routers. C.Every time a frame is encapsulated with a new destination MAC address, a new destination IP address is needed. D.Destination and source MAC addresses have local significance and change every time a frame goes from one LAN to another. E.A packet that has crossed four routers has changed the destination IP address four times.

A&F

Which two statements describe features of an IPv4 routing table on a router? (Choose two.)​ A.Directly connected interfaces will have two route source codes in the routing table: C and S. B.If there are two or more possible routes to the same destination, the route associated with the higher metric value is included in the routing table. C.The netstat -r command can be used to display the routing table of a router.​ D.The routing table lists the MAC addresses of each active interface. E.It stores information about routes derived from the active router interfaces. F.If a default static route is configured in the router, an entry will be included in the routing table with source code S.

C

Why would a Layer 2 switch need an IP address? A.to enable the switch to send broadcast frames to attached PCs B.to enable the switch to function as a default gateway C.to enable the switch to be managed remotely D.to enable the switch to receive frames from attached PCs

message sizing

the process of breaking up a long message into individual pieces before being sent over the network

Message Encoding

the process of converting information from one format into another acceptable for transmission

message encapsulation

the process of placing one message format inside another message format