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ITS REVIEWER
| Question | Answer |
|---|---|
| What is an example of a Layer 3 device that connects multiple computers and networks? | D. Router |
| If a router cannot determine the next hop for a packet, the router will: | A. Forward the packet to the default route. |
| You need to run four Ethernet network drops. Each drop is approximately 125 feet/46.33 meters. An interference exists along the path of each drop. You need to ensure that interference is reduced. Which cable type should you use? | A. STP Cat5e |
| One purpose of a perimeter network is to: | D. Make resources available to the Internet. |
| The protocol that maps IP addresses to a Media Access Control (MAC) address is: | E. Address Resolution Protocol (ARP). |
| You are home for vacation, and a family member wants your help to purchase and install network cable for a home office. The cable needs to support at least 300 Mbps. What is the least expensive option that meets this requirement? | C. Cat5e |
| What are three advantages of VLANs? (Choose three.) | B. They require a router to connect to VLANs on another switch.; C. They compartmentalize a network and isolate traffic.; E. They act as though they are on the same LAN regardless of physical location. |
| Which of the following uses pointer records and A records? | B. DNS Server |
| Which of these addresses is a multicast address? | D. 224.0.0.1 |
| What is the bit rate for a North American T3 circuit? | B. 44.736 Mbit/s |
| Which of the following is a public IP address? | B. 68.24.78.221 |
| Which metric does Routing Information Protocol (RJP) use to determine the least costly route? | C. Hop count |
| What is a similarity between Layer 2 and Layer 3 switches? | C. Both forward packets onto the network.; D. Both allow the implementation of VLANs. |
| What are two characteristics of fiber optic cable? (Choose two.) | |
| VPNs are implemented to provide: | B. A secure connection through public networks. |
| What happens when an 802.11b node starts broadcasting within the range of an 802.llg access point? | B. A connection will be established, |
| This question requires that you evaluate the underlined text to determine if it is correct. According to the OSI model, encryption takes place on the transport layer. | A. Presentation |
| A. Network address translation (NAT). | |
| What type of record does DNS use to find a mail service? | C. Mail Exchanger (MX) DNS record |
| In local area network (LAN) topologies, the primary media access methods are: (Choose two.) | A. Contention; D. Token passing |
| What are two differences between switches and hubs? (Choose two.) | C. Switches are capable of sending and receiving data at the same time.; D. Switches identify the intended destination of the data that they receive. |
| This question requires that you evaluate the underlined text to determine if it is correct. Every router today is TCP/IP enabled, which is an industry-standard protocol that you use on the Internet and for local addressing. | D. No change is needed |
| Which feature of Category 5e STP cable reduces external interference? | B. Shielding; C. Length |
| How many bits are there in an Internet Protocol version 6 (IPv6) address? | C. 128 |
| A Layer 2 device that connects multiple computers within a network is a: | B. Switch |
| In addition to switching, multilayer switches also: | A. Provide Layer 3 routing functions. |
| This question requires that you evaluate the underlined text to determine if it is correct. In a wireless network that requires an SSL certificate, WEP handles the SSL certificate. | A. 802.1X |
| Which of these cable types transmits data the greatest distance? | B. Single-mode fiber |
| What is the maximum cable length for a single Cat5 UTP cable run? | B. 328 feet/99.97 meters |
| The default gateway address identifies the: | B. Device that will connect the computer to a remote network. |
| Which of the following are features of DHCP? (Choose two.) | C. Address reservation; E. IP address exclusion |
| Which command is used to verify that a server is connected to the network? | C. PING |
| The maximum throughput of an 802.llg network is: | D. 54 Mbps. |
| In which physical network topology is each computer connected to a central point? | A. Star |
| This question requires that you evaluate the underlined text to determine if it is correct. WEP wireless encryption is the most susceptible to interception and decryption. | D. No change is needed |
| This question requires that you evaluate the underlined text to determine if it is correct. When a client computer is unable to reach a DHCP server, it will automatically assign an IP address in the 10.0.0.0 -10.0.0.255 range. | B. 169.254.0.0-169.254.255.255 |
| The type of connector used on a 100BaseT Ethernet cable is: | B. RJ-45. |
| At what layer in the OSI model are hardware addresses referenced? | C. Data link |
| What are two characteristics of a mesh network topology? (Choose two.) | A. It is fault tolerant because of redundant connections.; B. Every node connects to every other node on the network. |
| To protect a network when it is connected to the Internet, you should use a: | B. Firewall |
| This question requires that you evaluate the underlined text to determine if it is correct. The NTP value in a resource record indicates a length of time that other DNS servers use to determine how long to cache information for a record before expiring an | A. TTL |
| This question requires that you evaluate the underlined text to determine if it is correct. The loopback address of your computer is 127.0.0.1. Select the correct answer if the underlined text does not make the statement correct. Select 'No change is need | D. No change is needed |
| D. Verify that the DHCP service is available. | |
| This question requires that you evaluate the underlined text to determine if it is correct. The process of replicating a zone file to multiple DNS servers is called zone replication, | |
| Which protocol can be used to encrypt packets on the Internet? | B. HTTPS |
| A computer that has an IP address of 169.254.0.1 cannot access the network. Which of the following services should you confirm is available? | C. DHCP |
| The service that resolves fully qualified domain names (FQDN) to IP addresses is: | B. Domain Name Service (DNS). |
| Internet Key Exchange (IKE) is responsible for which two functions? (Choose two.) | C. Negotiating algorithms to use; D. Exchanging key information |
| What happens when an 802.11a node broadcasts within the range of an 802.11g access point? | D. The node transmits, but the access point is unable to receive |
| Which two of the following are connectivity options for wide area networks (WANs)? (Choose two.) | C. Dial-up; D. Leased line |
| Which type of port is used to support VLAN traffic between two switches? | C. Trunk port |
| The command-line tool used to list a host's active incoming connections is: | A. NETSTAT |
| A router's static route is set by the: | C. Network administrator |
| Which of these represents the Internet Protocol version 6 (IPv6) loopback address? | D. ::1 |
| Which two are published IEEE 802.11 wireless transmission standards? (Choose two.) | B. 802.11g; E. 802.11n |
| One reason to replace an unmanaged switch with a managed switch is to: | B. Support multiple VLANS. |
| A service that resolves NetBIOS names to IP addresses is: | D. Windows Internet Name Service (WINS). |
| A characteristic of the mesh topology is that it: | C. Uses redundant paths. |
| A node within a local area network (LAN) must have which two of the following? (Choose two.) | C. NIC; D. IP address |
| Which of the following is a Layer 2 WAN protocol? | A. Point-to-Point Protocol (PPP) |
| You ping a server by using fully qualified domain name (FQDN) and do not receive a response. You then ping the same server by using its IP address and receive a response. Why do you receive a response on the second attempt but not on the first attempt? | B. The DNS is not resolving. |
| Which type of network is most vulnerable to intrusion? | B. Wireless |
| An Action Center alert recommends that you enable Windows Firewall. After enabling the firewall, you can no longer access websites. Which two TCP ports should you add exceptions for on the firewall? (Choose two.) | D. Port 80; E. Port 443 |
| What type of DNS record maps host names to addresses? | C. Host (A) DNS record |
| Which of these is an application layer protocol? | B. FTP |
| You are setting up a network computer game. You need to open up ports on your firewall so your friends can join the network. Which command displays the ports that your computer is listening for? | D. netstat |
| Which network device interconnects computers in a workgroup, is able to be remotely configured, and provides the best throughput? | A. Unmanaged switch |
| The topology of a local area network (LAN) is defined by the: | B. Physical and logical characteristics. |
| A network device that associates a Media Access Control (MAC) address with a port is a: | D. Switch |
| Which type of network covers the broadest area? | A. WAN |
| Which of the following represents a Media Access Control (MAC) address? | C. 05:35:AB:6E:Al:25 |
| Which of these is a public address space? | B. 197.16.0.0/12 |
| What are three characteristics of Ethernet network topology? (Choose three.) | A. It uses tokens to avoid collisions on the network.; B. It can use coaxial, twisted pair, and fiber optic media.; D. It is a non-switching protocol. |
| What is the minimum cabling requirement for a 100BaseTX network? | A. Category 3 UTP cable |
| To directly connect the Ethernet network interface cards (NICs) of two computers, you should use a: | A. Crossover cable |
| Which two features of a Windows Server 2008 R2 server should you install to use that server as a software router? (Choose two.) | A. Network Policy and Access Services; B. Routing and Remote Access Services |
| A cable that meets the l000BaseT standard has a maximum length of: | A. 100 m |
| If a router is installed so that it separates a DHCP server from its clients, the clients will: | B. Be unable to obtain their leases from the server. |
| Which protocol is a transport layer protocol? | C. UDP |
| This question requires that you evaluate the underlined text to determine if it is correct. The four IEEE standards, 802.11a, b, g, and n, are collectively known as mobile ad hoc networks. Select the correct answer if the underlined text does not make the | C. WiFi |
| The ping tool is used to: (Choose two.) | B. Self-test a host's own network interface.; C. Determine whether a host is reachable. |
| Which DNS record type specifies the host that is the authority for a given domain? | D. SOA |
| A university has network links between various locations. Where would a T3 connection be appropriate? | A. Server to network in the main campus server room |
| This question requires that you evaluate the underlined text to determine if it is correct. A/anvirtual private network (VPN) protects a network's perimeter by monitoring traffic as it enters and leaves. Select the correct answer if the underlined text do | B. Firewall |
| One reason to incorporate VLANs in a network is to: | D. Reduce the number of nodes in a broadcast domain. |
| What is an example of a network device that associates a network address with a port? | B. Router |
| What is the default subnet mask for a Class C Internet network? | D. 255.255.255.0 |
| Security is a concern on wireless networks due to: | A. The radio broadcast access method. |
| From these settings, you can tell that the computer: | A. Will have limited Internet access |
| The function of a router is to: | B. Forward traffic to other networks. |
| Which of these factors has the biggest impact on data transmission speed in a wireless network? | B. The transmission standard of the equipment used |
| This question requires that you evaluate the underlined text to determine if it is correct. An Address Resolution Protocol (ARP) table is used to associate IP addresses with host names. Select the correct answer if the underlined text does not make the st | A. MAC addresses |
| This question requires that you evaluate the underlined text to determine if it is correct. An Address Resolution Protocol (ARP) table is used to associate IP addresses with host names. Select the correct answer if the underlined text does not make the st | D. No change is needed |
| The default port used for SMTP is: | B. 25 |
| This question requires that you evaluate the underlined text to determine if it is correct. Each IPv4 address consists of a MAC address and data-link laver address. Select the correct answer if the underlined text does not make the statement correct. Sele | A. Network ID and a host ID |
| This question requires that you evaluate the underlined text to determine if it is correct. IPSec policies for two machines on a LAN can be modified by using the IPSec policy snap- in on Windows 7. Select the correct answer if the underlined text does not | A. Windows Firewall with Advanced Security snap-in |
| This question requires that you evaluate the underlined text to determine if it is correct. Dynamic routing is fault tolerant. Select the correct answer if the underlined text does not make the statement correct. Select 'No change is needed" if the underl | D. No change is needed |
| The default subnet mask for a Class B network is: | D. 255.255.0.0 |
| Teredo tunneling is a protocol that: | B. Allows IPv6 connectivity through IPv4 devices. |
| Which wireless communication problem is caused by electromagnetic waves? | C. Interference |
| The top-level domain ofwww.adventureworks.com is: | D. com |
| When a client's DHCP-issued address expires, the client will: | C. Attempt to obtain a new address by broadcasting. |
| The ipconfig command will: | B. Display a client's address |
| If an 802.llg Internet connection has connectivity problems, what may be the cause? | D. Electromagnetic interference (EMI) |
| What is the DNS record type that specifies an alias name of another address record? | B. CNAME |
| Tracert is used to: | C. Report the route taken by packets across an IP network. |
| Which protocol is responsible for automatically assigning IP addresses? | B. DHCP |
| Which of the following determines the media access method that is used in a network? | D. Topology and protocols |
| This question requires that you evaluate the underlined text to determine if it is correct. All session data is encrypted between all machines while using telnet. Select the correct answer if the underlined text does not make the statement correct. Select | A. Not encrypted |
| This question requires that you evaluate the underlined text to determine if it is correct. IPv4 multicast addresses range from 192.168.0.0 to 192.168.255.255. Select the correct answer if the underlined text does not make the statement correct. Select "N | C. 224.0.0.0 to 239.255.255.255 |
| What are two characteristics of the CSMA/CD access method? (Choose two.) | B. It does a round robin search for requests to transmit from all nodes on the network.; C. It signals its intent to transmit on the network. |
| Which setting is used to determine the Domain Name System (DNS) settings on a client computer? | B. NSLOOKUP |
| To which IP configuration does the CIDR notation 192.168.1.1/25 refer? | E. 192.168.1.1 255.255.255.128 |
| This question requires that you evaluate the underlined text to determine if it is correct. A secondary zone is the first DNS zone to which all updates for the records that belong to that zone are written. Select the correct answer if the underlined text | A. Primary zone |
| Which wireless authentication method provides the highest level of security? | C. WI-FI Protected Access (WPA) |
| This question requires that you evaluate the underlined text to determine if it is correct. To set lower security settings in Internet Explorer for an extranet site, add the site's URL to the Local Intranet zone. Select the correct answer if the underline | B. Trusted Sites |
| Which subnet mask is valid? | A. 255.255.255.240 |
| The default port used for telnet is: | A. 23 |
| In which OSI layer does routing occur? | B. Network |
| Your home computer is having problems accessing the Internet. You suspect that your Internet router's DHCP service is not functioning, so you check your computer's IP address. Which address indicates that your router's DHCP service is NOT functioning? | A. 169.254.1.15 |
| Two companies want to share data by using the Internet. Which type of network provides the solution? | C. Extranet |
| Which Microsoft network service can you use to establish a connection to a corporate LAN without any user action? | C. DirectAccess |
| What are two advantages of using star topology rather than ring topology in a computer lab workgroup? (Choose two.) | A. Failure of a central connectivity device does not bring down the entire network.; B. A central connection point allows for flexibility and scalability.; D. A cable problem within the group affects two nodes, at most. |
| Which technology provides the highest bit rate? | C. DS3 |
| A node within a local area network (LAN) must have a network interface device and a: | C. Host address |
| A network that separates an organization's private network from a public network is a/an: | C. Perimeter |
| Which technology can you use to extend an internal network across shared or public networks? | D. VPN |
| A private network that allows members of an organization to exchange data is an: | C. Intranet |
| A VPN is a/an: | A. Encrypted connection across the Internet. |
| This question requires that you evaluate the underlined text to determine if it is correct. Plain old telephone service (POTS), most ISDN lines, and switched T1 lines are all examples of Message Switching. Select the correct answer if the underlined text | A. Circuit Switching |
| Which IEEE 802.11 Wi-Fi networking standard requires dual antennas so it can run in all of its supported frequencies? | D. 802.11n |
| Which of the following services masks internal IP addresses from outside the network? | C. NAT |
| The query protocol used to locate resources on a network is: | B. Lightweight Directory Access Protocol (LDAP), |
| In a physical star topology, the central device is referred to as a: | D. Hub |
| You need to divide a network into three subnets. Which device should you use? | C. Router |
| One advantage of dynamic routing is that it: | A. Automatically maintains routing tables. |
| Which network does the IP address 220.100.100.100 belong to? | A. 220.100.100.0/24 |
| Attenuation in a wireless network signal is a result of: | B. Distance from the access point. |
| Which of the following uses a tunneling protocol? | B. VPN |
| For which two reasons should you use IPsec between computers? (Choose two.) | B. Data integrity; D. Data confidentiality |
| The host name of the fully qualified domain name (FQDN) mail.exchange.corp.nwtraders.com is: | E. mail |
| A Media Access Control (MAC) address identifies a/an: | C. Network interface card (NIC). |
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