Final

Which type of server relies on record types such as A, NS, AAAA, and MX in order to provide services?

DNS

A user is attempting to access http://www.cisco.com/ without success. Which two configuration values must be set on the host to allow this access? (Choose two.)

DNS Server Default gateway

Which connector is used with twisted-pair cabling in an Ethernet LAN?

RJ45

What service is provided by DNS?

Resolves domain names, such as cisco.com, into IP addresses

What are two ICMPv6 messages that are not present in ICMP for IPv4? (Choose two.)

Router Advertisement Neighbor Solicitation

A network administrator needs to keep the user ID, password, and session contents private when establishing remote CLI connectivity with a switch to manage it. Which access method should be chosen?

SSH

Two pings were issued from a host on a local network. The first ping was issued to the IP address of the default gateway of the host and it failed. The second ping was issued to the IP address of a host outside the local network and it was successful. What is a possible cause for the failed ping?

Security rules are applied to the default gateway device, preventing it from processing ping requests.

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?

Store-and-forward

A client packet is received by a server. The packet has a destination port number of 69. What service is the client requesting?

TFTP

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.

Which two statements describe features of an IPv4 routing table on a router? (Choose two.)​

Directly connected interfaces will have two route source codes in the routing table: C and S . If a default static route is configured in the router, an entry will be included in the routing table with source code S .

Which layer of the TCP/IP model provides a route to forward messages through an internetwork?

Internet

What is an advantage to using a protocol that is defined by an open standard?

It encourages competition and promotes choices.

What is one main characteristic of the data link layer?

It shields the upper layer protocol from being aware of the physical medium to be used in the communication.

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?

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

What subnet mask is needed if an IPv4 network has 40 devices that need IP addresses and address space is not to be wasted?

255.255.255.192

A network administrator wants to have the same network mask for all networks at a particular small site. The site has the following networks and number of devices: IP phones - 22 addresses PCs - 20 addresses needed Printers - 2 addresses needed Scanners - 2 addresses needed The network administrator has deemed that 192.168.10.0/24 is to be the network used at this site. Which single subnet mask would make the most efficient use of the available addresses to use for the four subnetworks?

255.255.255.224

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?

255.255.255.240

A network administrator is adding a new LAN to a branch office. The new LAN must support 4 connected devices. What is the smallest network mask that the network administrator can use for the new network?

255.255.255.248

What two security solutions are most likely to be used only in a corporate environment? (Choose two.)

intrusion prevention systems virtual private networks

What command can be used on a Windows PC to see the IP configuration of that computer?

ipconfig

What characteristic describes a virus?

malicious software or code running on an end device

A technician can ping the IP address of the web server of a remote company but cannot successfully ping the URL address of the same web server. Which software utility can the technician use to diagnose the problem?

nslookup

Refer to the exhibit. The switches are in their default configuration. Host A needs to communicate with host D, but host A does not have the MAC address for its default gateway. Which network hosts will receive the ARP request sent by host A?

only hosts B, C, and router R1

A wired laser printer is attached to a home computer. That printer has been shared so that other computers on the home network can also use the printer. What networking model is in use?

peer-to-peer (P2P)

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.)

10.18.10.208/28 10.18.10.224/28

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?

1E6F:65FF:FEC2:BDF8

Refer to the exhibit. A network engineer has been given the network address of 192.168.99.0 and a subnet mask of 255.255.255.192 to subnet across the four networks shown. How many total host addresses are unused across all four subnets?

200

A network administrator is adding a new LAN to a branch office. The new LAN must support 200 connected devices. What is the smallest network mask that the network administrator can use for the new network?

255.255.255.0

Refer to the exhibit. Which protocol was responsible for building the table that is shown?

ARP

What service is provided by Internet Messenger?

An application that allows real-time chatting among remote users.

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?

BB:BB:BB:BB:BB:BB

What method is used to manage contention-based access on a wireless network?

CSMA/CA

A client packet is received by a server. The packet has a destination port number of 21. What service is the client requesting?

FTP

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.)

Fiber optic cabling requires different termination and splicing expertise from what copper cabling requires. Fiber optic provides higher data capacity but is more expensive than copper cabling.

A client packet is received by a server. The packet has a destination port number of 80. What service is the client requesting?

HTTP

What service is provided by BOOTP?

Legacy application that enables a diskless workstation to discover its own IP address and find a BOOTP server on the network.

What attribute of a NIC would place it at the data link layer of the OSI model?

MAC address

What is an advantage for small organizations of adopting IMAP instead of POP?

Messages are kept in the mail servers until they are manually deleted from the email client.

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.)

Neighbor advertisements Neighbor solicitation

What is a benefit of using cloud computing in networking?

Network capabilities are extended without requiring investment in new infrastructure, personnel, or software.

A technician with a PC is using multiple applications while connected to the Internet. How is the PC able to keep track of the data flow between multiple application sessions and have each application receive the correct packet flows?

The data flow is being tracked based on the source port number that is used by each application.

Refer to the exhibit. What three facts can be determined from the viewable output of the show ip interface brief command? (Choose three.)

The default SVI has been configured. The switch can be remotely managed. One device is attached to a physical interface.

The global configuration command ip default-gateway 172.16.100.1 is applied to a switch. What is the effect of this command?

The switch can be remotely managed from a host on another network

What service is provided by HTTPS?

Uses encryption to secure the exchange of text, graphic images, sound, and video on the web.

Which two traffic types use the Real-Time Transport Protocol (RTP)? (Choose two.)

Video Voice

Which wireless technology has low-power and data rate requirements making it popular in home automation applications?

ZigBee

Which wireless technology has low-power and low-data rate requirements making it popular in IoT environments?

ZigBee

What characteristic describes a VPN?

a tunneling protocol that provides remote users with secure access into the network of an organization

What are two primary responsibilities of the Ethernet MAC sublayer? (Choose two.)

accessing the media data encapsulation

An IPv6 enabled device sends a data packet with the destination address of FF02::2. What is the target of this packet?​

all IPv6 configured routers on the local link​

Refer to the exhibit. If Host1 were to transfer a file to the server, what layers of the TCP/IP model would be used?

application, transport, Internet, and network access layers

What characteristic describes antispyware?

applications that protect end devices from becoming infected with malicious software

Three bank employees are using the corporate network. The first employee uses a web browser to view a company web page in order to read some announcements. The second employee accesses the corporate database to perform some financial transactions. The third employee participates in an important live audio conference with other corporate managers in branch offices. If QoS is implemented on this network, what will be the priorities from highest to lowest of the different data types?

audio conference, financial transactions, web page

What are two functions that are provided by the network layer? (Choose two.)

directing data packets to destination hosts on other networks providing end devices with a unique network identifier

Which two functions are performed at the LLC sublayer of the OSI Data Link Layer to facilitate Ethernet communication? (Choose two.)

places information in the Ethernet frame that identifies which network layer protocol is being encapsulated by the frame enables IPv4 and IPv6 to utilize the same physical medium

What are two characteristics shared by TCP and UDP? (Choose two.)

port numbering use of checksum

What are proprietary protocols?

protocols developed by organizations who have control over their definition and operation

What characteristic describes adware?

software that is installed on a user device and collects information about the user

What characteristic describes spyware?

software that is installed on a user device and collects information about the user

Which switching method drops frames that fail the FCS check?

store-and-forward switching

What are the three parts of an IPv6 global unicast address? (Choose three.)

subnet ID global routing prefix interface ID

During the process of forwarding traffic, what will the router do immediately after matching the destination IP address to a network on a directly connected routing table entry?

switch the packet to the directly connected interface

A user sends an HTTP request to a web server on a remote network. During encapsulation for this request, what information is added to the address field of a frame to indicate the destination?

the MAC address of the default gateway

Which information does the show startup-config command display?​

the contents of the saved configuration file in the NVRAM

Users are reporting longer delays in authentication and in accessing network resources during certain time periods of the week. What kind of information should network engineers check to find out if this situation is part of a normal network behavior?

the network performance baseline

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?

256

A client packet is received by a server. The packet has a destination port number of 53. What service is the client requesting?

DNS

Which two statements are correct about MAC and IP addresses during data transmission if NAT is not involved? (Choose two.)

Destination and source MAC addresses have local significance and change every time a frame goes from one LAN to another. Destination IP addresses in a packet header remain constant along the entire path to a target host.

Refer to the exhibit. The network administrator has assigned the LAN of LBMISS an address range of 192.168.10.0. This address range has been subnetted using a /29 prefix. In order to accommodate a new building, the technician has decided to use the fifth subnet for configuring the new network (subnet zero is the first subnet). By company policies, the router interface is always assigned the first usable host address and the workgroup server is given the last usable host address. Which configuration should be entered into the properties of the workgroup server to allow connectivity to the Internet?

IP address: 192.168.10.38 subnet mask: 255.255.255.248, default gateway: 192.168.10.33

A host is trying to send a packet to a device on a remote LAN segment, but there are currently no mappings in the ARP cache. How will the device obtain a destination MAC address?

It will send an ARP request for the MAC address of the default gateway.

Refer to the exhibit. PC1 issues an ARP request because it needs to send a packet to PC2. In this scenario, what will happen next?​

PC2 will send an ARP reply with its MAC address.

A client packet is received by a server. The packet has a destination port number of 110. What service is the client requesting?

POP3

What are three commonly followed standards for constructing and installing cabling? (Choose three.)

Pinouts Cable length Connector types

Refer to the exhibit. The IP address of which device interface should be used as the default gateway setting of host H1?

R1: G0/0

A disgruntled employee is using some free wireless networking tools to determine information about the enterprise wireless networks. This person is planning on using this information to hack the wireless network. What type of attack is this?

Reconnaissance

What service is provided by POP3?

Retrieves email from the server by downloading the email to the local mail application of the client.

Which two commands can be used on a Windows host to display the routing table? (Choose two.)

Route print Netstat-r

Which value, that is contained in an IPv4 header field, is decremented by each router that receives a packet?

Time-to-Live

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?

Tracert

Which type of security threat would be responsible if a spreadsheet add-on disables the local software firewall?

Trojan horse

Refer to the exhibit. The switches have a default configuration. Host A needs to communicate with host D, but host A does not have the MAC address for the default gateway. Which network devices will receive the ARP request sent by host A?

only hosts B, C, and router R1

What characteristic describes identity theft?

the use of stolen credentials to access private data

What is the purpose of the TCP sliding window?

to request that a source decrease the rate at which it transmits data

What technique is used with UTP cable to help protect against signal interference from crosstalk?

twisting the wires together into pairs

A user is executing a tracert to a remote device. At what point would a router, which is in the path to the destination device, stop forwarding the packet?

when the value in the TTL field reaches zero