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One advantage of dynamic routing is that it: A. Automatically maintains routing tables. B. Limits traffic derived from routing protocols. C. Reduces broadcast traffic. D. Automatically enables DHCP. - Solution A. Automatically maintains routing tables. Which of the following represents a Media Access Control (MAC) address? A. GV:ZC:KK:DK:FZ:CA B. 255.255.255. C. 05:35:AB:6E:AL: D. 127.0.0.1 - Solution C. 05:35:AB:6E:AL: Connecting to a private network address from a public network requires: A. Network address translation (NAT). B. Dynamic Host Configuration Protocol (DHCP). C. Network Access Protection (NAP). D. Dynamic domain name system (DDNS). - Solution A. Network address translation (NAT). A network device that associates a Media Access Control (MAC) address with a port is a: A. DSL modem B. Hub C. Router D. Switch - Solution D. Switch A Layer 2 device that connects multiple computers within a network is a: A. Repeater B. Switch C. Router D. Packet - Solution B. Switch A cable that meets the 1000baseT standard has a maximum length of: A. 100 m
B. 250 m C. 500 m D. 1,000 m - Solution A. 100 m A router's static route is set by the: A. Adjacent network B. Next upstream router C. Network administrator D. Routing protocol - Solution C. Network administrator Which setting is used to determine the Domain Name System (DNS) settings on a client computer? A. TELNET B. NSLOOKUP C. PATHPING D. NETSTAT - Solution B. NSLOOKUP The default subnet mask for a Class B network is: A. 0.0.0. B. 0.0.255. C. 255.0.0. D. 255.255.0.0 - Solution D. 255.255.0. The default port used for SMTP is: A. 23 B. 25 C. 80 D. 8080 - Solution B. 25 The ping tool is used to: (Choose two.) A. Determine the network portion of a host address. B. Self-test a host's own network interface. C. Determine whether ia host is reachable. D. Manage a host's session when UDP is used. - Solution B. Self-test a host's own network interface. C. Determine whether ia host is reachable. Which of the following are features of DHCP? (Choose two.) A. IP address resolution to canonical names B. Secure shell connections
C. Host (A) DNS record. D. Canonical (CNAME) DNS record - Solution C. Host (A) DNS record. Teredo tunneling is a protocol that: A. Translates Internet Protocol version 4 (IPv4) to Internet Protocol version 6 (IPv6). B. Allows IPv6 connectivity through IPv4 devices. C. Provides VPN security. D. Dynamically allocates IPv6 addresses. - Solution B. Allows IPv connectivity through IPv4 devices. What is the default subnet mask for a Class C Internet network? A. 255.255.255. B. 255.255.255. C. 255.255.255. D. 255.255.255.0 - Solution D. 255.255.255. The default port used for telnet is: A. 23 B. 25 C. 80 D. 8080 - Solution A. 23 When a client's DHCP-issed address expires, the client will: A. Select a new address and request approval from the DHCP server. B. Require manual configuration with a static IP address. C. Attempt to obtain a new address by broadcasting. D. Continue to use the address until it is notified to stop. - Solution C. Attempt to obtain a new address by broadcasting. 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? A. PING is improperly configured. B. The DNS is not resolving. C. The DHCP server is offline. D. NSLOOKUP is stopped. - Solution B. The DNS is not resolving.
A Media Access Control (MAC) address identifies a/an: A. UPnP device. B. Local broadcast domain. C. Network interface card (NIC). D. Local area network (LAN). - Solution C. Network interface card (NIC). Two companies want to share data by using the Internet. Which type of network provides the solution? A. Ethernet B. Intranet C. Extranet D. Perimiter - Solution C. Extranet VPNs are implemented to provide: A. A secure connection within a private network. B. A secure connection through public networks. C. Additional encryption by using IPSec. D. Additional security for selected computers. - Solution B. A secure connection through public networks. If an 802.11g Internet connection has connectivity problems, what may be the cause? A. A cordless phone B. A cellular phone C. Incandescent lights D. Electromagnetic interference (EMI) - Solution D. Electromagnetic interference (EMI) Which of these factors has the biggest impact on data transmission speed in a wireless network? A. The access method used for the network. B. The transmission standard of the equipment used. C. The use of strong encryption for transmissions. D. The transmission wattage rating used on the NIC. - Solution B. The transmission standard of the equipment used. Which of the following uses a tunneling protocol? A. Internet B. VPN C. Extranet
Which technology can you use to extend an internal network across shared or public networks? A. VLAN B. Microsoft ASP-NET C. Microsoft .NET Framework D. VPN - Solution D. VPN Which two are published IEEE 802.11 wireless transmission standards? (Choose two.) A. 802.1 lf B. 802.11g C. 802.11k D. 802.11m E. 802.11n - Solution B. 802.11g E. 802.11n What happens when an 802.11b node starts broadcasting within the range of an 802.11g access point? A. The access point will transmit, but the node will be unable to receive. B. A connection will be established. C. Both the node and the access point will be unable to transmit. D. The node will transmit, but the access point will be unable to receive. - Solution B. A connection will be established. Which techology provides the highest bit rate? A. T B. El C. DS D. ISDN - Solution C. DS A VPN is a/an: A. Encrypted connection across the Internet. B. Virtual network within your local area network (LAN). C. Communication tunnel between VLANs. D. Personal network for your use only - Solution A. Encrypted connection across the Internet. Which of the following determines the media access method that is used in a network?
A. Number of hosts connected to the network. B. Number of domain servers on the segment. C. Maximum speed of the media. D. Topology and protocols. - Solution D. Topology and protocols. Which wireless authentication method provides the highest level of security? A. Wired Equivalency Privacy (WEP) B. IEEE 802.lln C. Wi-Fi Protected Access (WPA) D. IEEE 802.11a - Solution C. Wi-Fi Protected Access (WPA) The topology of a local area network (LAN) is defined by the: A. Number of devices to connect. B. Physical and logical characteristics. C. Distance between workstations. D. Type of cable being used. - Solution B. Physical and logical characteristics. The maximum throughput of an 802.llg network is: A. 2.4 GHz B. 54 GHz C. 2.4 Mbps D. 54 Mbps - Solution D. 54 Mbps A node within a local area network (LAN) must have a network interface device and a: A. Network account B. Table of all network nodes C. Host address D. Resource to share - Solution C. Host address Which of the following is a Layer 2 WAN protocol? A. Point-to-Point Protocol (PPP) B. Simple Network Management Protocol (SNMP) C. Transmission Control Protocol (TCP) D. Internet Protocol (IP) - Solution A. Point-to-Point Protocol (PPP) Which type of port is used to support VLAN traffic between two switches? A. Virtual port
Which command is used to verify that a server is connected to the network? A. IPCONFIG B. ROUTE C. PING D. CHECK - Solution C. PING Which of these represents the Internet Protocol version 6 (IPv6) loopback address? A. 127.0.0. B. 192.168.0. C. FEC0:A8C0::AA D. ::1 - Solution D. :: Which of these addresses is a multicast address? A. 127.0.0. B. 169.254.0. C. 192.168.0. D. 224.0.0.1 - Solution D. 224.0.0. Which of the following uses pointer records and A records? A. IDS B. DNS Server C. NAT Server D. IPS - Solution B. DNS Server The ipconfig command will: A. Configure routers B. Display a client's address C. Display a client's broadcast mode D. Configure DHCP clients - Solution B. Display a client's address One reason to incorporate VLANs in a network is to: A. Increase the number of available IP addresses. B. Increase the number of available Media Access Control (MAC) addresses. C. Reduce the number of broadcast domains. D. Reduce the number of nodes in a broadcast domain. - Solution D. Reduce the number of nodes in a broadcast domain.
Which of these is an application layer protocol? A. TCP B. FTP C. IP D. UDP - Solution A. TCP The top-level domain of www.adventureworks.com is: A. www B. adventureworks C. adventureworks.com D. com - Solution D. com At what layer in the OSI model are hardware addresses referenced? A. Network B. Application C. Data link D. Physical - Solution C. Data link You need to divide a network into three subnets. Which device should you use? A. Hub B. Bridge C. Router D. Segmenter - Solution C. Router The type of connector used on a 100BaseT Ethernet cable is: A. RJ- B. RJ-45. C. TNC. D. BNC. - Solution B. RJ-45. In addition to switching, multilayer switches also: A. Provide Layer 3 routing functions. B. Interface with CAT3, CATS, CAT5e, and fiber optics. C. Support 10 MB, 100 MB, and 1 GB local area network (LAN) ports. D. Operate by using only Layer 1 and 2 protocols. - Solution A. Provide Layer 3 routing functions. One reason to replace an unmanaged switch with a managed switch is to:
A private network that allows members of an organization to exchange data is an: A. Extranet B. Ethernet C. Intranet D. Internet - Solution C. Intranet Security is a concern on wireless networks due to: A. The radio broadcast access method. B. Spread spectrum issues. C. Frequency modulation issues. D. The potential for cross-talk. - Solution A. The radio broadcast access method. A characteristic of the mesh topology is that it: A. Uses a central hub. B. Cannot use wired connections. C. Uses redundant paths. D. Cannot use wireless connections. - Solution C. Uses redundant paths. To protect a network when it is connected to the Internet, you should use a: A. Bridge B. Firewall C. Switch D. Router - Solution B. Firewall One purpose of a perimeter network is to: A. Make resources available to the intranet. B. Link campus area networks (CANs). C. Link local area networks (LANs). D. Make resources available to the Internet. - Solution D. Make resources available to the Internet. Which protocol can be used to encrypt packets on the Internet? A. SNMP B. HTTPS C. TFTP D. HTTP - Solution B. HTTPS
The service that resolves fully qualified domain names (FQDN) to IP addresses is: A. Windows Internet Name Service (WINS). B. Domain Name Service (DNS). C. Internet Service Provider (ISP). D. Address Resolution Protocol (ARP). - Solution B. Domain Name Service (DNS). If a router is installed so that it separates a DHCP server from its clients, the clients will: A. Immediately lose connectivity to all segments. B. Be unable to obtain their leases from the server. C. Immediately lose connectivity to the local segment. D. Receive an immediate renewal of their lease. - Solution B. Be unable to obtain their leases from the server. Which of the following services masks internal IP addresses from outside the network? A. DHCP B. WINS C. NAT D. DNS - Solution C. NAT The query protocol used to locate resources on a network is: A. User Datagram Protocol (UDP). B. Lightweight Directory Access Protocol (LDAP), C. Tracert D. Telnet - Solution B. Lightweight Directory Access Protocol (LDAP), Tracert is used to: A. Manage routing tables dynamically. B. Manage session-oriented connections between nodes. C. Report the route taken by packets across an IP network. D. Report the shortest route between different networks. - Solution C. Report the route taken by packets across an IP network. In which OSI layer does routing occur? A. Transport B. Network C. Data Link
D. Exchanging key information. 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." Select the Solution if the underlined text does not make the statement correct. Select "no change is needed" if the underlined text makes the statement correct. A. Zone transfer B. Zone synchronization C. Start of authority D. No change is needed - Solution A. Zone transfer Which DNS record type specifies the host that is the autority for a given domain? A. NS B. MX C. CNAME D. SOA - Solution A. NS All session data is "encrypted between all machines" while using telnet. Select the Solution if the underlined text does not make the statement correct. Select "No change is needed" if the underlined text makes the statement correct. A. Not encrypted B. Encrypted between any Windows machines. C. Encrypted only to any non-Windows machines D. No change is needed - Solution A. Not encrypted Which protocol is a transport layer protocol? A. FTP B. IP C. UDP A. ASCII - Solution C. UDP Select the Solution if the underlined text does not make the statement correct. Select "No change is needed" if the underlined text makes the statement correc
A. 127.0.0.0 to 127.255.255. B. 172.16.0.0 to 172.31.255. C. 224.0.0.0 to 239.255.255. D. No change is needed - Solution C. 224.0.0.0 to 239.255.255. The four IEEE standards, 802.11a, b, g, and n, are collectively known as "mobile ad hoc" networks. A. WiMAX B. Bluetooth C. WiFi D. No change is needed. - Solution C. WiFi 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 B. Main campus to a large satellite campus C. Computer lab PC to lab printer D. Library laptop PC to Internet - Solution B. Main campus to a large satellite campus You work at a coffee shop. Your supervisor asks you to help set up a computer network. The network needs to have the following items: A public facing web server A Wi-Fi network for customers A private network for the point of sale terminals An office PC A file/print server A network printer You need to set up a perimeter network to protect the network. Which two items should you include in the perimeter network? (Choose two.) A. Network printer B. Web server C. File server D. Wi-Fi network E. Point of sale terminals - Solution A. Network printer B. Web server 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
A node within a local area network (LAN) must have which two of the following? (Choose two.) A. Username and password B. Share name C. NIC D. IP Address E. Table of all network nodes - Solution C. NIC D. IP Address A/an "virtual private network (VPN)" protects a network's permiter by monitoring traffic as it enters and leaves. A. Extranet B. Firewall C. Intranet D. No change is needed - Solution B. Firewall The loopback address of your computer is "127.0.0.1". A. 10.0.1. B. 169.254.0. C. 192.168.1. D. No change is needed - Solution D. No change is needed You run the ipconfig command, you: A. Will have limited Internet access B. Will have full Internet access C. Will not be able to access the Internet D. Will not be able to access the local network - Solution A. Will have limited Internet access Which IEEE 802.11 Wi-Fi networking standard requires dual antennas so it can run in all of its supported frequencies? A. 802.11a B. 802.11b C. 802.11g D. 802.11n - Solution D. 802.11n What is the bit rate for a North American T3 circuit? A. 6.312 Mbit/s B. 44.736 Mbit/s
C. 274.176. Mbit/s D. 400.352 Mbit/s - Solution B. 44.736 Mbit/s Which feature of a Category 5e STP cable reduces external interference? A. Crosstalk B. Shielding C. Length D. Twisting - Solution B. Shielding What are three advantages of VLANs? (Choose three.) A. They can logically address packets by using IP. B. They require a router to connect to VLANs on another switch. C. They compartmentalize a network and isolate traffic. D. They are efficient because a single switch can implement only a single VLAN. E. They act as though they are on the same LAN regardless of physical location. - Solution C. They compartmentalize a network and isolate traffic. D. They are efficient because a single switch can implement only a single VLAN. E. They act as though they are on the same LAN regardless of physical location. For which two reasons should you use IPsec between computers? (Choose two.) A. Data compression B. Data integrity C. Data redundancy D. Data confidentiality - Solution B. Data integrity D. Data confidentiality Every router today is "TCP/IP" enabled, which is an industry-standard protocol that you use on the Internet and for local addressing. A. HTTP B. FTP C. SNMP D. No change is needed - Solution D. No change is needed You are home for vacation, and a family member wants your help to purcahse and install a network cable for a home office. The cable needs to
