Quiz
netwerken
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Perguntas do quiz (50)
130. What addresses are mapped by ARP?
- A destination MAC address to a destination IPv4 address
- B destination IPv4 address to the source MAC address
- C destination IPv4 address to the destination host name
- D destination MAC address to the source IPv4 address
233. Refer to the exhibit. What will be the result of entering this configuration the next time a network administrator connects a console cable to the router and no additional commands have been entered?
- A The administrator will be required to enter Cisco123.
- B The administrator will be required to enter Cisco234.
- C The administrator will be required to enter Cisco789.
- D The administrator will be presented with the R1> prompt.
332. What are two functions of NVRAM? (Choose two.)
- A to store the routing table
- B to retain contents when power is removed
- C to store the startup configuration file
- D to contain the running configuration file
- E to store the ARP table
431. What are two services provided by the OSI network layer? (Choose two.)
- A performing error detection
- B routing packets toward the destination
- C encapsulating PDUs from the transport layer
- D placement of frames on the media
- E collision detection
534. What is the dotted decimal representation of the IPv4 address 11001011.00000000.01110001.11010011?
- A 192.0.2.199
- B 198.51.100.201
- C 203.0.113.211
- D 209.165.201.223
635. What are three characteristics of multicast transmission? (Choose three.)
- A The source address of a multicast transmission is in the range of 224.0.0.0 to 224.0.0.255.
- B A single packet can be sent to a group of hosts.
- C Multicast transmission can be used by routers to exchange routing information.
- D Routers will not forward multicast addresses in the range of 224.0.0.0 to 224.0.0.255.
- E Computers use multicast transmission to request IPv4 addresses.
- F Multicast messages map lower layer addresses to upper layer addresses.
736. What are the three ranges of IP addresses that are reserved for internal private use? (Choose three.)
- A 10.0.0.0/8
- B 127.16.0.0/12
- C 64.100.0.0/14
- D 172.16.0.0/12
- E 192.31.7.0/24
- F 192.168.0.0/16
837. What purpose does NAT64 serve in IPv6?
- A It converts IPv6 packets into IPv4 packets.
- B It translates private IPv6 addresses into public IPv6 addresses.
- C It enables companies to use IPv6 unique local addresses in the network.
- D It converts regular IPv6 addresses into 64-bit addresses that can be used on the Internet.
- E It converts the 48-bit MAC address into a 64-bit host address that can be used for automatic host addressing.
938. What is the most compressed representation of the IPv6 address 2001:0000:0000:abcd:0000:0000:0000:0001?
- A 2001:0:abcd::1
- B 2001:0:0:abcd::1
- C 2001::abcd::1
- D 2001:0000:abcd::1
- E 2001::abcd:0:1
1039. 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
1140. How many valid host addresses are available on an IPv4 subnet that is configured with a /26 mask?
- A 254
- B 190
- C 192
- D 62
- E 64
1241. A site administrator has been told that a particular network at the site must accommodate 126 hosts. Which subnet mask would be used that contains the required number of host bits?
- A 255.255.255.0
- B 255.255.255.128
- C 255.255.255.224
- D 255.255.255.240
1342. Which subnet would include the address 192.168.1.96 as a usable host address?
- A 192.168.1.64/26
- B 192.168.1.32/28
- C 192.168.1.32/27
- D 192.168.1.64/29
1443. Which statement is true about variable-length subnet masking?
- A Each subnet is the same size.
- B The size of each subnet may be different, depending on requirements.
- C Subnets may only be subnetted one additional time.
- D Bits are returned, rather than borrowed, to create additional subnets.
1544. 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.
1645. A user opens three browsers on the same PC to access www.cisco.com to search for certification course information. The Cisco web server sends a datagram as a reply to the request from one of the web browsers. Which information is used by the TCP/IP protocol stack in the PC to identify which of the three web browsers should receive the reply?
- A the destination IP address
- B the destination port number
- C the source IP address
- D the source port number
1746. What are two ways that TCP uses the sequence numbers in a segment? (Choose two.)
- A to reassemble the segments at the remote location
- B to identify missing segments at the destination
- C to limit the number of segments that can be sent out of an interface at one time
- D to specify the order in which the segments travel from source to destination
- E to determine if the packet changed during transit
1847. Which two tasks are functions of the presentation layer? (Choose two.)
- A compression
- B encryption
- C addressing
- D session control
- E authentication
1948. What is a key characteristic of the peer-to-peer networking model?
- A wireless networking
- B network printing using a print server
- C social networking without the Internet
- D resource sharing without a dedicated server
2049. 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?
- A tracert
- B netstat
- C nslookup
- D ipconfig
2150. Which domain name would be an example of a top-level domain?
- A www.cisco.com
- B cisco.com
- C .com
- D root.cisco.com
2251. A PC obtains its IP address from a DHCP server. If the PC is taken off the network for repair, what happens to the IP address configuration?
- A The configuration is permanent and nothing changes.
- B The address lease is automatically renewed until the PC is returned.
- C The address is returned to the pool for reuse when the lease expires.
- D The configuration is held by the server to be reissued when the PC is returned.
2352. A wireless host needs to request an IP address. What protocol would be used to process the request?
- A HTTP
- B FTP
- C DHCP
- D ICMP
- E SNMP
2453. Which example of malicious code would be classified as a Trojan horse?
- A malware that was written to look like a video game
- B malware that requires manual user intervention to spread between systems
- C malware that attaches itself to a legitimate program and spreads to other programs when launched
- D malware that can automatically spread from one system to another by exploiting a vulnerability in the target
2555. Match the description with the associated IOS mode. (not all options are used.)
- A
- B-
- A
2656. A company is expanding its business to other countries. All branch offices must remain connected to corporate headquarters at all times. Which network technology is required to support this requirement?
- A LAN
- B MAN
- C WAN
- D WLAN
2757. A home user is looking for an ISP connection that provides high speed digital transmission over regular phone lines. What ISP connection type should be used?
- A DSL
- B dial-up
- C satellite
- D cable modem
- E cell modem
2858. How does quality of service help a network support a wide range of applications and services?
- A by limiting the impact of a network failure
- B by providing mechanisms to manage congested network traffic
- C by allowing quick recovery from network failures
- D by providing the ability for the network to grow to accommodate new users
2959. After making configuration changes on a Cisco switch, a network administrator issues a copy running-config startup-config command. What is the result of issuing this command?
- A The new configuration will be stored in flash memory.
- B The new configuration will be loaded if the switch is restarted.
- C The current IOS file will be replaced with the newly configured file.
- D The configuration changes will be removed and the original configuration will be restored.
3061. A network technician is attempting to configure an interface by entering the following command: SanJose(config)# ip address 192.168.2.1 255.255.255.0. The command is rejected by the device. What is the reason for this?
- A a console connection
- B an AUX connection
- C a Telnet connection
- D an SSH connection
3162. What function does pressing the Tab key have when entering a command in IOS?
- A It aborts the current command and returns to configuration mode.
- B It exits configuration mode and returns to user EXEC mode.
- C It moves the cursor to the beginning of the next line.
- D It completes the remainder of a partially typed word in a command.
3263. What layer is responsible for routing messages through an internetwork in the TCP/IP model?
- A internet
- B transport
- C network access
- D session
3364. Which statement accurately describes a TCP/IP encapsulation process when a PC is sending data to the network?
- A Data is sent from the internet layer to the network access layer.
- B Packets are sent from the network access layer to the transport layer.
- C Segments are sent from the transport layer to the internet layer.
- D Frames are sent from the network access layer to the internet layer.
3465. What unique address is embedded in an Ethernet NIC and used for communication on an Ethernet network?
- A host address
- B IP address
- C MAC address
- D network address
- E k layer
3566. Which procedure is used to reduce the effect of crosstalk in copper cables?
- A requiring proper grounding connections
- B wrapping the bundle of wires with metallic shielding
- C twisting opposing circuit wire pairs together
- D designing a cable infrastructure to avoid crosstalk interference
- E avoiding sharp bends during installation
3668. During the encapsulation process, what occurs at the data link layer for a PC connected to an Ethernet network?
- A An IP address is added.
- B The physical address is added.
- C The logical address is added.
- D The process port number is added.
3769. What are the three primary functions provided by Layer 2 data encapsulation? (Choose three.)
- A error correction through a collision detection method
- B session control using port numbers
- C data link layer addressing
- D placement and removal of frames from the media
- E detection of errors through CRC calculations
- F delimiting groups of bits into frames
- G conversion of bits into data signals
3870. What are two characteristics of Ethernet MAC addresses? (Choose two.)
- A They are globally unique.
- B They are routable on the Internet.
- C They are expressed as 12 hexadecimal digits.
- D MAC addresses use a flexible hierarchical structure.
- E MAC addresses must be unique for both Ethernet and serial interfaces on a device.
3971. If a device receives an Ethernet frame of 60 bytes, what will it do?
- A drop the frame
- B process the frame as it is
- C send an error message to the sending device
- D add random data bytes to make it 64 bytes long and then forward it
4072. Under which two circumstances will a switch flood a frame out of every port except the port that the frame was received on? (Choose two.)
- A The destination address is unknown to the switch.
- B The frame has the broadcast address as the destination address.
- C The source address in the frame header is the broadcast address.
- D The source address in the frame is a multicast address.
- E The destination address in the frame is a known unicast address.
4173. Which switching method has the lowest level of latency?
- A cut-through
- B store-and-forward
- C fragment-free
- D fast-forward
4274. Which two commands can be used on a Windows host to display the routing table? (Choose two.)
- A route print
- B netstat -s
- C show ip route
- D netstat -r
- E tracert
4375. Which two functions are primary functions of a router? (Choose two.)
- A packet forwarding
- B microsegmentation
- C domain name resolution
- D path selection
- E flow control
4476. What is the binary representation of 0xCA?
- A 10111010
- B 11010101
- C 11001010
- D 11011010
4577. At a minimum, which address is required on IPv6-enabled interfaces?
- A unique local
- B link-local
- C site local
- D global unicast
4678. Which service provides dynamic global IPv6 addressing to end devices without using a server that keeps a record of available IPv6 addresses?
- A stateful DHCPv6
- B SLAAC
- C static IPv6 addressing
- D stateless DHCPv6
4779. What is the purpose of the command ping ::1?
- A It tests the internal configuration of an IPv6 host.
- B It tests the broadcast capability of all hosts on the subnet.
- C It tests the multicast connectivity to all hosts on the subnet.
- D It tests the reachability of the default gateway for the network.
4880. How many usable IP addresses are available on the 192.168.1.0/27 network?
- A 256
- B 254
- C 62
- D 30
- E 16
- F 32
4981. 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
5082. What subnet mask is needed if an IPv4 network has 40 devices that need IP addresses and address space is not to be wasted?
- A 255.255.255.128
- B 255.255.255.0
- C 255.255.255.192
- D 255.255.255.224
- E 255.255.255.240
Informações
- Descrição
- Networking Quiz sobre netwerken, criado por Bob Shamadingdong em 21-03-2017.
- Autor
- Bob Shamadingdong
- Idioma
- English
- Visualizações
- 4
- Etiquetas
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