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4

What is the default subnet mask for a class A network?

A. 255.0.0.0

B. 255.224.0.0

C. 255.255.0.0

D. 255.255.255.0

Correct Answer :

A. 255.0.0.0


Related Questions

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In an autonomous system with n areas, how many areas are connected to the backbone?

A. 1

B. N

C. N+1

D. N-1

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____________ developed to provide a loop-free method of exchanging routing information
between autonomous systems.

A. Enhanced Interior Gateway Routing Protocol (EIGRP)

B. User Datagram Protocol (UDP)

C. Border Gateway Protocol (BGP)

D. User Datagram Protocol (UDP)

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Router B receives an update from router A that indicates Net1 is two hops away. The next update from A says Net1 is five hops away. What value is entered in B's routing table for Net1? Assume the basic RIP is being used.

A. 6

B. 7

C. 2

D. 3

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17. Which of the following use default routes for inter-domain routing?

A. Type 2

B. Type 4

C. Type 3

D. Type 1

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Which of the following protocols use a topology table to install routes into the IP routing
table?

A. Open Shortest Path First (OSPF)

B. Enhanced Interior Gateway Routing Protocol (EIGRP)

C. Exterior Gateway Protocol (EGP)

D. Static routing protocols

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4

In Secure Electronic Transaction, the description of the purchase and cost is contained in
________ message.

A. Authorization

B. Purchase order

C. Inquiry

D. Capture

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Your Web server is also configured as an FTP server. What part of the data packet will tell the server which application the data is meant for?

A. Port

B. IP address

C. MAC address

D. Frame header

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Which of the following delivery methods works with only one source and one destination? Multicast

A. Multicast

B. Broadcast

C. Unicast

D. Any cast

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What is the maximum length of thinnet cable before a signal booster is needed?

A. 185 meters

B. 500 feet

C. 1600 feet

D. 1 mile

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4

FDDI operates on 100 Mbps.

A. True.

B. False.

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Which of the following defines a family of standards for 100 Mbps fiber optic LANs that
provides the physical layer and media access control sub-layer of the data link layer, as
defined by the ISO/OSI Model?

A. Ethernet

B. IEEE 802

C. Fiber Distributed Data Interface (FDDI)

D. Point-to-Point Protocol (PPP)

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4

Which function is not supported by E-mail?

A. authentication

B. composition

C. Disposition

D. Displaying

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The general form of the SMTP destination address is ________________.

A. user% remote-host@gateway-host

B. user@host

C. local-part@domain-name

D. None of the above

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Which is the port used by HTTPS?

A. 123

B. 143

C. 69

D. 443

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Which of the following application uses 1.5 Mbps bandwidth?

A. High speed internet browsing

B. Recording for later viewing

C. Two(2)other TV'S

D. One(1)high definition TV(HDTV)

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4

Which of the following provides a structure for conveying message through TCP/IP network
to host?

A. Address Resolution protocol (ARP)

B. Internet Control Message Protocol (ICMP)

C. Bootstrap Protocol (BOOTP)

D. Dynamic Host Configuration Protocol (DHCP)

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What layer of the OSI protocol reference model does a bridge operate under?

A. Physical

B. Data-link

C. Network

D. Transport

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What is the distance limitation of Cat5 UTP?

A. 1 km

B. 100 km

C. 100 m

D. 100 foot

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Which of the following can provide a backbone network of 600 meters in length without using repeaters?

A. 10BaseT

B. 100BaseT

C. 10Base5

D. 100BaseFX

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What is the maximum distance of single-mode fiber (SMF)?

A. 300 meters

B. 500 meters

C. 2km

D. 850 meters

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ADSL uses high-speed Internet service phone lines

A. True.

B. False.

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What is the pattern of a preamble?

A. 11110000

B. 11111111

C. 00000000

D. none of these

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A network's Internet connection uses a 128-Kbps Basic Rate Interface (BRI). What type of connection is this?

A. DSL

B. Cable modem

C. ISDN

D. T1

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In ________ routing, the tunnel creates a bridge through areas that do not support
multicast traffic.

A. Internet

B. MBONE

C. Border Gateway Protocol

D. Multicast OSPF

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E-mail is an example of ………………………… mode of communication where one party can send a note to another person and the recipient need not be online to receive the e-mail.

A. asynchronous

B. synchronous

C. full duplex

D. either A or B

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Which OSI model layer provides for encryption and decryption of data?

A. Data-link

B. Transport

C. Presentation

D. Application

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What is the default port for Telnet?

A. 23

B. 21

C. 25

D. 80

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Which of the following pieces of equipment will receive a packet from one port and forward that packet out the one port to which the destination computer is connected?

A. Hub

B. MAU

C. Switch

D. TDR

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4

Which of the following provides control over multimedia sessions?

A. Session Initiation Protocol (SIP)

B. Session Description Protocol (SDP)

C. Session Announcement Protocol (SAP)

D. Real-time Control Protocol (RTCP)

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Which type of connector is used on 10Base2 networks?

A. SC

B. BNC

C. RJ-45

D. RJ-11