1	Which type of network supports DHCP and DNS services for network users in a network domain?
 	client/server
 	peer-to-peer
 	hierarchical
 	ad hoc


2	 Refer to the exhibit. A home network is configured with the information in the graphic. A user tries to manually create a new connection to the network using the SSID Ciscoclass. However, a connection cannot be made. What could be the problem?
 	The SSID is case-sensitive.
 	The SSID must contain at least one number.
 	The SSID should be used with the default name.
 	The SSID must contain a minimum of 32 characters.


 3	What is the function of a physical topology map?
 	records IP addressing of each host
 	records hostnames and applications
 	organizes groups of hosts by how they use the network
 	shows where wiring is installed and the locations of network devices


4	All hosts within a domain receive the same frame that originates from one of the devices. The domain is also bounded by routers. What type of domain is this?
 	broadcast
 	collision
 	local
 	multicast


5	Which two issues can cause connectivity problems on a wireless network? (Choose two.)
 	incorrect SSID
 	broadcast SSID
 	overlapping channels
 	low number of clients in BSS
 	802.11b clients attempting connection to 802.11g APs


 6	Which part of the electromagnetic spectrum is commonly used to exchange data between a PDA and a computer?
 	FM
 	radar
 	infrared
 	ultraviolet


 7	How do ISPs obtain public IP addresses?
 	They create the addresses themselves.
 	They obtain the addresses from the home PCs.
 	They obtain the addresses from the Internet registry.
 	They obtain the addresses from the RFC.


 8	Which two automatic addressing assignments are supported by DHCP? (Choose two.)
 	local server address
 	subnet mask
 	default gateway address
 	physical address of the recipient
 	physical address of the sender


 9	Some new features are available for the OS that is currently running on a user's PC. What method should be chosen so that the user can install these new feature sets?
 	clean install
 	multi-boot
 	upgrade
 	virtualization


 10	What is the function of the DNS server?
 	It assigns IP addresses to clients.
 	It accepts HTTP requests from clients.
 	It maps a hostname to a corresponding IP address.
 	It manages the domain that clients are assigned to.


 11	An administrator is troubleshooting a network problem that involves the inability of users to reach Internet sites. During troubleshooting, the administrator is able to successfully ping web sites by their IP address, but pings to domain names are unsuccessful. Which service is most likely at fault?
 	DHCP
 	DNS
 	FTP
 	NAT


 12	 Refer to the exhibit. The security policy of an organization allows employees to connect to the office intranet from their homes. Which type of security policy is this?
 	acceptable use
 	incident handling
 	network maintenance
 	remote access


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


14	The area covered by a single AP is known as what?
 	ad-hoc network
 	basic service set
 	independent basic service set
 	extended service set
 	distribution system


15	What is the default subnet mask for an IP address of 64.100.19.14?
 	255.0.0.0
 	255.255.0.0
 	255.255.255.0
 	255.255.255.255


local PC has the correct configuration that is required to access the network. A ping command that is sourced at the PC does not receive a response from a remote device. Which operating system command might be used to determine where the connection failed?
 	netstat
 	tracert
 	ipconfig
 	nslookup


17	Which wireless protocol is used for encryption?
 	EAP
 	Open
 	PSK
 	WEP


18	What are two ways that a user can interact with an operating system shell? (Choose two.)
 	CLI
 	OS
 	GUI
 	NIC
 	kernel


19	Bottom-up troubleshooting begins at which layer of the OSI model?
 	network layer
 	physical layer
 	data link layer
 	transport layer
 	application layer


 20	What is a service pack?
 	an access policy
 	an agreement between a company and a vendor
 	a piece of code created to fix one specific problem
 	a collection of patches and updates released by a vendor
 	a small piece of software designed specifically for security issues


 21	A network administrator has been notified that users have experienced problems gaining access to network resources. What utility could be used to directly query a name server for information on a destination domain?
 	ping
 	tracert
 	netstat
 	ipconfig
 	nslookup


 22	Which network entity would most likely be configured as both a DHCP client and a DHCP server?
 	ISP
 	desktop PC
 	wireless laptop
 	PC-based server
 	integrated services home router


 23	What is a weakness of WEP that is solved by WPA?
 	WEP is a proprietary standard whereas WPA is an open standard.
 	WEP keys are only 64 bits long whereas WPA keys are 128 bits long.
 	WEP uses the same key for every connection whereas WPA uses a different key for each connection.
 	WEP uses a fixed length key for every connection whereas WPA uses a different key length for each connection.


 24	A wireless AP that will be used exclusively by network administrators has been installed on a company network. Security measures have been configured on the device, but it is still considered vulnerable to attack. Which configuration detail could account for this vulnerability?
 	Traffic filtering is enabled.
 	SSID broadcast is enabled.
 	MAC address filtering is enabled.
 	WEP encryption is implemented.
 	The default AP values have been modified.


 25	A user starts a file transfer between a client machine and an FTP server. Which list correctly represents the sequence of protocols that are used by the client machine to encapsulate the FTP data traffic for transmission?
 	FTP, TCP, IP, Network Access Protocols
 	FTP, UDP, IP, Network Access Protocols
 	FTP, IP, UDP, Network Access Protocols
 	FTP, IP, TCP, Network Access Protocols


 26	 Refer to the exhibit. The wireless router WR1 is configured with the address shown and DHCP is not configured. What will be the result of a technician configuring the address 172.16.14.255 on the laptop?
 	The laptop will be configured with the network address.
 	The laptop will be configured with a public IP address.
 	The laptop will be configured with a broadcast address.
 	The laptop will be configured within the same network as WR1.


 27	What destination IP address is used in a unicast packet?
 	a specific host
 	a group of hosts
 	all hosts on the network
 	the network broadcast address


 28	 Refer to the exhibit. Assume that the command output is from a wireless DHCP client that is connected to a Linksys integrated router. What can be deduced from the output?
 	The DHCP configuration on the router needs to be verified.
 	The WEP key or SSID needs to be verified.
 	The wireless connection is operational.
 	The wireless NIC driver or the NIC itself needs to be reinstalled.


 29	Which two protocols are responsible for encrypting data on a wireless network? (Choose two.)
 	EAP
 	PSK
 	WEP
 	WPA
 	PAP


 30	Which type of firewall technique can be used to allow inbound traffic from the public network only if it was initiated from the internal network?
 	URL filtering
 	packet filtering
 	application filtering
 	stateful packet inspection

Which two TCP/IP properties must match on hosts in the same LAN if the hosts are to be able to communicate with each other? (Choose two.)
 	the subnet mask
 	the DNS server configurations
 	the default gateway configurations
 	the host portion of the IP address
 	the network portion of the IP address


 32	How does a crossover cable make it possible for two "like devices" (for example, two switches) to communicate?
 	The transmit pins are disconnected and only the receive pins are used.
 	The transmit pins on one device are connected to the transmit pins on the other device.
 	The receive pins on one device are connected to the receive pins on the other device.
 	The transmit pins on one device are connected to the receive pins on the other device.


 33	Which type of network attack occurs when an unauthorized person tries to persuade a user to share a network user ID and password?
 	brute force
 	denial of service
 	data manipulation
 	social engineering


 34	Which term is associated with logical addressing?
 	IP addresses
 	port addresses
 	physical addresses
 	Media Access Control addresses


 35	Which two statements are true about local applications? (Choose two.)
 	They run on the network.
 	An example of a local application is e-mail.
 	They are accessed from a remote computer.
 	They are stored on the local hard disk.
 	They run on the computer where they are installed.


 36	What is an advantage of purchasing a custom-built computer?
 	It is beneficial for less knowledgeable consumers.
 	The waiting period for assembly is negligible.
 	The cost is lower compared to a computer that has been preassembled.
 	The user can specify high-performance components to meet specific needs.


 37	How do wireless devices within a BSS access an available channel?
 	Channels are used sequentially in round-robin fashion by each device in the BSS.
 	Devices ask permission to use a channel by sending the AP a Request to Send message.
 	Every device within the BSS is assigned its own channel and has its own dedicated connection.
 	A device sends data and if it senses collisions it waits a predetermined time before re-sending on a different channel.


 38	A network technician suspects that malware on a user PC is opening multiple TCP connections to a specific foreign host address. Which Windows command line utility can be used to confirm the multiple TCP connections?
 	ping
 	netstat
 	tracert
 	ipconfig
 	nslookup


 39	What information within a data packet does a router use, by default, to make forwarding decisions?
 	the destination MAC address
 	the destination IP address
 	the destination host name
 	the destination service requested


 40	Which type of computer has an integrated mouse?
 	desktop
 	laptop
 	mainframe
 	server
 	pocket PC


 41	What is a major characteristic of asymmetric Internet service?
 	Download speeds and upload speeds are equal.
 	Download speeds are faster than upload speeds.
 	Data traffic speeds are faster than voice traffic speeds.
 	Used when consistently uploading large amounts of graphics, video and multimedia traffic.


 42	 Refer to the exhibit. Why would a network administrator use the network mode that is shown?
 	to support hosts on different IP networks
 	to support hosts that use different 802.11 standards
 	to support both wireless and wired Ethernet hosts
 	to support hosts with different operating systems
 	to support hosts with network cards from different manufacturers


 43	Which is an example of the first step in a divide-and-conquer troubleshooting process?
 	Ask a user to send a test email.
 	Attempt to reach a particular web site.
 	Verify that all cables are firmly seated.
 	Check that all IP information is correctly configured.


 44	 Refer to the exhibit. H1 can ping H2, H3, and the Fa0/0 interface of router R1. H2 and H3 but not H1 can ping H4 and H5. What is a possible cause for the H1 failure?
 	Router R1 has no route to the destination network.
 	Switch S1 does not have an IP address configured.
 	The link between router R1 and switch S2 has failed.
 	Host H1 does not have a default gateway configured.


 45	Which protocol is used to transfer files among network devices and perform file-management functions?
 	DNS
 	FTP
 	HTML
 	HTTP

	 Refer to the exhibit. What is the reason that the host is unable to connect to the Internet?
 	DHCP needs to be enabled on the router.
 	The router has an incorrect DHCP starting address.
 	The IP address on the host is in the wrong network.
 	The host is configured with an incorrect gateway.


 47	Which network design layer provides a connection point for end user devices to the network?
 	access
 	core
 	distribution
 	network


 48	How does a DMZ enhance network security for an organization?
 	blocks viruses and spyware
 	restricts internal user access to prohibited Internet sites
 	allows external customer access to designated internal resources
 	removes suspicious attachments from incoming and outgoing e-mail


 49	What two pieces of information should a help desk technician document while troubleshooting connectivity issues with an end user? (Choose two.)
 	the CPU clock speed of the computer
 	the number of network jacks that are in the room
 	if the user can ping the default gateway address
 	if the word processing software is installed correctly
 	whether the PC uses dynamic or static IP addressing


50	Which wireless technology allows only one-to-one connections and is typically used for short-range, line-of-sight communication?
 	GSM
 	Wi-Fi
 	Infrared
 	Bluetooth


51	When terminating a UTP cable, why is it important to push the wires all the way into the end of the connector?
 	to allow the cable to endure more stretching or twisting
 	to ensure good electrical contact
 	to ensure that the wires are in correct order
 	to minimize crosstalk


52	What two commands can be used to form a new binding if client information does not agree with the DHCP client table? (Choose two.)
 	ipconfig /release
 	ipconfig /all
 	ipconfig /flushdns
 	ipconfig /renew
 	ipconfig