123456

A wireless access point is generally considered to be a layer ___ device. a. 2 b. 3 c. 4 d. 5

a

An Internet browser works at which of the following OSI layers? a. Application b. Presentation c. Network d. Transport

a

As you set up a wireless network, you are concerned about having the ability to monitor your wireless network. Which of the following protocols can you use over a wireless network for network management and monitoring? a. SNMP b. 802.3 c. UDP d. TCP

a

IPv4 address is displayed as a. 32 bit b. 64 bit c. 16 bit d. 128 bit

a

Ipv6 address is displayed as a. 128 bit b. 64 bit c. 32 bit d. 16 bit

a

This layer controls the passage of packets along routes on the network a. Network Layer b. Data link Layer c. Application Layer d. Physiscal Layer

a

What tool show the number of hops between two nodes and the nodes through which the communication goes to reach the destination ? a. Tracert b. Route c. Ping d. Telnet

a

A TCP/IP application protocol that resolves domain and computer names to IP addresses, and IP addresses to domain and computer names. a. DNS b. DHCP c. NSLOOKUP d. ARP

a

A _______ routing table contains information entered manually. a. Static b. Dynamic c. Hierarchical d. None of the above

a

A one-to-one communication between one source and one destination is classified as a _______ communication a. unicast b. broadcast c. multicast d. None of the above

a

A private network that functions like a tunnel through a larger network—such as the Internet or an enterprise network—that is restricted to designated member clients only. a. Virtual private network (VPN) b. Private network c. Public network

a

A specialized server that is located on a network for the purpose of enabling remote users to access the resources, such as servers and databases, of the main network. a. remote access server (RAS) b. remote procedure call (RPC) c. Telnet server d. SSH server

a

A TCP/IP-based protocol that enables a sending station to determine the MAC address of the intended receiving station a. DHCP b. ARP c. Routing d. DNS

b

A device with software that manages shared printing on a network a. File server b. Print server c. Dns server d. Dhcp server

b

A one-to-all communication between one source and all hosts on a network is classified as a _______ communication. a. unicast b. broadcast c. multicast d. None of the above

b

A protocol that works behind the scenes to help IP to track error conditions, such as the inability to reach a node or router. a. SNMP b. ICMP c. ARP d. RARP

b

An adapter board to connect a workstation, server, or other network device to a network medium. a. VGA b. Network Interface Card c. HDMI d. DVD

b

One copy of each frame or packet is sent to all points on a network a. Unicast b. Broadcast c. Multicast d. None

b

Software or hardware that secures data from being accessed outside a network and that can also prevent data from leaving the network through an inside source a. Loadblancing b. Firewall c. Router d. Switch

b

This utility employs the Server Message Block (SMB) protocol, which is also used by Windows systems for sharing folders and printers a. Network File System b. Samba c. Mounting d. None of the above

b

VLANs can_________. a. reduce network traffic b. reduce network traffic and provide an extra measure of security c. provide an extra measure of security d. None of the above

b

Your home office network seems to be slow, and you want to view the packet transmission activity through your computer. Which of the following tools should you use? a. Packet Director b. Network Monitor c. Activity Monitor d. None of the above

b

A ______ normally connects LANs and WANs in the Internet and has a table that is used for making decisions about the route. a. Hub b. Switch c. Router d. Repeater

c

A _______ routing table is updated periodically using one of the dynamic routing protocols. a. Hierarchical b. Static c. Dynamic d. None of the above

c

An IEEE standard for wireless networking a. 802.16 b. 802.3 c. 802.11 d. None of the above

c

In TCP/IP networks, the MAC address of a subnet interface can be queried with the IP address using the ________ (ARP) for Internet Protocol Version 4 (IPv4) a. Ethernet b. Dynamic Host Configuration Protocol c. Address Resolution Protocol d. Media Access Control

c

Routers operate at which layer of the OSI model? a. Transport b. Physical c. Network d. Application

c

What program can you use to keep your system patched and up-to-date? a. Windows Patcher b. Windows Dispatcher c. Windows Update d. Windows Upgrade

c

You are designing a new network and want to go wireless for part of the network. Your design specifications call for a wireless technology that can use the 5 GHz band at up to 100 Mbps. Which of the following is the best fit for your network? a. 802.11g b. 802.11b c. 802.11n d. None of the above

c

_______ is the protocol suite for the current Internet. a. SNMP b. NTP c. TCP/IP d. ICMP

c

A home computer network is sometimes also called a _______ a. WAN b. MAN c. SAN d. LAN

d

In _______ transmission, the channel capacity is shared by both communicating devices at all times. a. half-duplex b. simplex c. half-simplex d. full-duplex

d

Which aspect of Wireless LAN security ensures that only company employees are able to access a corporate wireless LAN? a. Accounting b. Encryption c. Authorization d. Authentication

d

Wi-Fi is a _____________ a. Computer programs that help people make money on the Internet b. Type of computer c. Type of network cable d. Popular technologies and standards for wireless computer networking

d