Cisco 161-160 V2 final exam Set 1

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Which function does NAT perform in a wireless router? NAT takes an internal source IP address and translates it to a global IP address. NAT takes a source IP address and translates it to a default gateway address. NAT takes a destination IP address and translates it to a global IP address. NAT takes a local IP address and translates it to an internal source IP address.

NAT takes an internal source IP address and translates it to a global IP address.

Which three protocols operate at the application layer of the TCP/IP model? (Choose three.) ARP POP3 TCP DHCP FTP UDP

POP3 DHCP FTP

Which technology is used to uniquely identify a WLAN network? MAC address table SSID WEP WPA

SSID

A network administrator investigates a user problem. The user can reach hosts on the same network, but is unable to communicate to remote networks.The network administrator tries to ping the gateway address configured on the host device and is unsuccessful. What is the most likely cause of the problem? The IP address of the user is incorrectly configured. The default gateway address is incorrect. The address of the remote device is incorrect. TCP/IP is not installed on the host device.

The default gateway address is incorrect.

A PC is not able to connect to a wired network. Pinging the loopback address is successful, but the gateway cannot be reached. On the network switch all the interface lights are on, except for the interface connected to the PC. The LED on the network card is off. What is the most likely cause of this problem? The gateway needs to be fixed. The network cable is faulty. The PC has an incorrect IP address for the DNS server. The network switch is faulty.

The network cable is faulty.

Which type of network is covered by the IEEE 802.11 standards? Internet Ethernet Wi-Fi WAN

Wi-Fi

Which network design solution will best extend access layer connectivity to host devices? implementing EtherChannel implementing redundancy implementing routing protocols implementing wireless connectivity

implementing wireless connectivity

What type of address is automatically assigned to an interface when IPv6 is enabled on that interface? unique local global unicast link-local loopback

link-local

What is the function of ARP? provides automatic IP address assignments to hosts sends error and operational information messages to hosts maps IPv4 addresses to MAC addresses resolves domain names to IP addresses

maps IPv4 addresses to MAC addresses

Users are complaining that they are unable to browse certain websites on the Internet. An administrator can successfully ping a web server via its IP address, but cannot browse to the domain name of the website. Which troubleshooting tool would be most useful in determining where the problem is? nslookup ipconfig tracert netstat

nslookup

Which address is a valid IPv6 address that could be assigned to a host? 2001:db8::1111::200/80 2001:db8::1111::200/64​ 2001:db8:0:1111::200/44 2001:db8:0:1111::200/120​

2001:db8:0:1111::200/120​

What does the letter C mean next to an entry in the output of the show ip route command? It identifies a network that is a static route. It identifies a network that is learned through OSPF. It identifies a network that is learned through EIGRP. It identifies a network that is directly connected to the router.

It identifies a network that is directly connected to the router.

Which two statements correctly describe the components of a router? (Choose two.) ROM contains diagnostics executed on hardware modules. Flash memory does not lose its contents during a reboot. RAM permanently stores the configuration file used during the boot sequence. ROM contains the most current and most complete version of the IOS. Flash contains boot system commands to identify the location of the IOS. NVRAM stores a backup copy of the IOS used during the boot sequence.

ROM contains diagnostics executed on hardware modules. Flash memory does not lose its contents during a reboot.

What are two benefits of wireless networks over wired networks? (Choose two.) increased security anytime, anywhere connectivity immunity to interference speed mobility

anytime, anywhere connectivity mobility

Which switch command would a network administrator use to determine if there are encapsulation or media errors on an interface? show line show ip interface show interfaces show arp

show interfaces

Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame? switch hub router repeater

switch

Which network server is malfunctioning if a user can ping the IP address of a web server but cannot ping the web server host name? the DHCP server the DNS server the FTP server the HTTP server

the DNS server

Which interface allows remote management of a Layer 2 switch? the first Ethernet port interface the switch virtual interface the console port interface the AUX interface

the switch virtual interface

When is UDP preferred to TCP? when a client sends a segment to a server when an application can tolerate some loss of data during transmission when segments must arrive in a very specific sequence to be processed successfully when all the data must be fully received before any part of it is considered useful

when segments must arrive in a very specific sequence to be processed successfully

Which two OSI model layers have the same functionality as a single layer of the TCP/IP model? (Choose two.) transport physical network data link session

physical data link


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