Unit 1 Study Guide

What version of SMB can be used across Windows, UNIX, and other operating systems? a. SIP (Session Initiation Protocol) b. RDP (Remote Desktop Protocol) c. CIFS (Common Internet File System) d. MGCP (Media Gateway Control Protocol)

C

When a router can't determine a path to a message's destination, where does it send the message? a. Default gateway b. Default route c. Gateway of last resort d. Routing table

C

Which of the following cabling types is not recognized by the TIA/EIA for horizontal wiring? a. UTP b. STP c. Coaxial d. Fiber-optic

C

Which statement describes SMTP? a. SMTP is a connectionless protocol that uses UDP b. SMTP is a connection-based protocol that uses UDP c. SMTP is a connectionless protocol that uses TCP d. SMTP is a connection-based protocol that uses TCP

C

Which two encryption protocols might be used to provide secure transmissions for browser and Web server communications? a. HTTP and HTTPS b. SSL and TLS c. SSL and HTTP d. TCP and UDP

C

Which Session layer protocol is a streaming live video teleconference likely to use on the network? a. UDP b. SMTP c. RTP d. TCP

C-RTP

Apache is a popular example of what type of networking software? a. Web server b. Browser c. Email server d. Email client

A

If you are connected to a network that uses DHCP, and you need to terminate your Windows workstation's DHCP lease, which command would you use? a. ipconfig/release b. ipconfig/renew c. ifconfig/release d. ifconfig/new

A

What decimal number corresponds to the binary number 11111111? a. 255 b. 256 c. 127 d. 11111111

A

What generator component converts DC power from the generator to AC power that the electrical infrastructure in a data center can use? a. Inverter b. Rectifier c. Transformer d. Voltage regulator

A

What kind of networking device on today's racks does nothing to the data transmitted on a line other than pass it along through the connection? a. Patch panel b. Punch-down block c. 110 block d. Hub

A

What type of device does a computer turn to first when attempting to make contact with a host on another network? a. Default gateway b. DNS server c. Root server d. DHCP server

A

When your computer first joins an IPv6 network, what is the prefix of the IP address the computer first configures for itself? a. FE80::/10 b. FF00::/8 c. 2001::/64 d. 2001::/3

A

Which client-server application allows an administrator to control a remote computer, but does not encrypt or secure the communication between client and server? a. Telnet b. Remote Desktop c. FTP d. SSH

A

Which email protocol allows an email client to read mail stored on the mail server? a. IMAP4 b. SMTP c. TCP d. POP3

A

You have just brought online a new secondary DNS server and notice your monitoring software reports a significant increase in network traffic. Which two hosts on your network are likely to be causing the increased traffic and why? a. The caching and primary DNS servers, because the caching server is requesting zone transfers from the primary server b. The secondary and primary DNS servers, because the secondary server is requesting zone transfers from the primary server c. The root and primary DNS servers, because the primary server is requesting zone transfers from the root server. d. The Web server and primary DNS server, because the Web server is requesting zone transfers from the primary DNS server

A

In which layer(s) of the OSI model do NICs operate? a. Layers 5, 6, and 7 b. Layers 1 and 2 c. Layer 4 d. Layers 2 and 3

B

Providing a backup power source is called __________________. a. power conversion b. power redundancy c. power inversion d. line conditioning

B

Suppose you send data to the 11111111 11111111 11111111 11111111 IP address on an IPv4 network. To which device(s) are you transmitting? a. All devices on the Internet b. All devices on your local network Suppose you send data to the 11111111 11111111 11111111 11111111 IP address on an IPv4 network. To which device(s) are you transmitting? a. All devices on the Internet b. All devices on your local network

B

What computers are the highest authorities in the Domain Name System hierarchy? a. Authoritative name servers b. Root servers c. Top-level domain servers d. Primary DNS server

B

What device protects computer equipment from a momentary increase in voltage due to lightning strikes, solar flares, or electrical problems? a. NAS b. Surge protector c. Generator d. Power converter

B

What kind of route is created when a network administrator configures a router to use a specific path between nodes? a. Trace route b. Static route c. Default route d. Best path

B

Which OSI layer is responsible for directing data from one LAN to another? a. Transport layer b. Network layer c. Data Link layer d. Physical layer

B

Which application embedded in Windows operating systems allows remote control of a computer and uses the RDP secure protocol for transmissions? a. Telnet b. Remote Desktop c. FTP d. SSH

B

Which part of a MAC address is unique to each manufacturer? a. The network identifier b. The OUI c. The device identifier d. The physical address

B

Which protocol's header would a Layer 4 device read and process? a. IP b. TCP c. ARP d. HTTP

B

Which routing protocol does an exterior router use to collect data to build its routing tables? a. RIPv2 b. BGP c. OSPF d. IS-IS

B

Which type of Ethernet frames do today's networks use? a. Jumbo frame b. Ethernet II frame c. 802.3 frame d. CSMA/CD frame

B

. At which OSI layer does IP operate? a. Application layer b. Transport layer c. Network layer d. Data Link layer

C

In the client-server model, what is the primary protocol used for communication between a browser and Web server? a. FTP b. TCP c. HTTP d. SSL

C

What are the two primary standard widths for rack systems? a. 3 feet and 6 feet b. 18U and 42U c. 19 inches and 23 inches d. 1U and 4U

C

What is the very beginning of an Ethernet frame called? a. Header b. Data c. Preamble d. Trailer

C

What number does a host use to identify the application involved in a transmission? a. IP address b. MAC address c. Port number d. Sequence number

C

A routing protocol's reliability and priority are rated by what measurement? a. Routing table b. MTU c. Latency d. AD

D

List three types of services a network might support that are considered part of unified communications or convergence. a. File transfers, print services, and conversational voice b. User authentication, streaming live audio and video, and print services c. Web services, email services, and file services d. Conversational voice, streaming live audio and voice, and streaming stored audio and voice

D

What device provides a central control portal for all devices on a rack? a. Server rails b. Rack ears c. Rack-monitoring system d. KVM switch

D

What field in a TCP segment is used to determine if an arriving data unit exactly matches the data unit sent by the source? a. Source port b. Acknowledgment number c. Data d. Checksum

D

What service provided by Windows Server 2012 R2 allows a computer to serve up applications to other computers on the network? a. Remote Desktop Services b. Windows 8.1 c. File Transfer Protocol d. Active Directory

D

Which email protocol allows an email client to download email messages to the local computer? a. IMAP4 b. SMTP c. TCP d. POP3

D

When messages to a remote Web server are being lost for no apparent reason and you suspect the problem might be a path MTU black hole, which TCP/IP utility can you use to diagnose the problem? a. netstat b. traceroute c. nbtstat d. ping

D-ING