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Computer Networks MCQs

998+ questions with answers

901

In wireless communications, how are collisions made oblivious to its users?

a By hiding nodes in a network
b By increasing the signal strength
c By avoiding interference of unwanted signals
d By exposing the terminals in a network
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902

Bluetooth communicates data using low-power radio waves that are within the frequencies ______ and _______

a 2.304 MHz, 2.382MHz
b 2.402 MHz, 2.480 MHz
c 2.304 GHz, 2.382GHz
d 2.402 GHz, 2.480 GHz
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903

ISDN is the abbreviation for ___________ in computer networking.

a Insecure Service Digital Network
b Integrated Services Digital Network
c Intelligent Secure Digital Network
d Integrated Secure Digital Network
Medium
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904

Integrated Services Digital Network (ISDN) can be classified into ____________ and _________ ISDN.

a Wide band, Narrow band
b Baseband, Pass band
c Narrow band, Broadband
d Broadband, Baseband
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905

_________ is ISDN’s connection control protocol.

a Q.931 Protocol
b Session Initiation Protocol (SIP)
c H.323 Protocol
d Internet Control Message Protocol (ICMP)
Medium
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906

Integrated Services Digital Network (ISDN) is a ___________ interface between the subscriber and the central office.

a simplex
b half-duplex
c full-duplex
d multiplex
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907

Which three areas have advanced due to significant contributions from Broadband Network and Services?

a ATM, SONET/SDH, and broadband access technology
b MPLS, Switching technology, and broadband technology
c Frame Relay, ISDN and narrowband access technology
d VPN, Firewall, and WAN technology
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908

X.25 Protocol can be carried over _________ channels of a Basic Rate Interface (BRI) Line.

a B
b D
c D or H
d B or D
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909

In Network Management System, ASN.1 stands for_______

a Autonomous Safety Network One
b Abstract Syntax Notation One
c Arithmetic Syntax Notation One
d Advanced System Network One
Medium
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910

ASN.1 is a formal language developed jointly by _______ and _______ for use with application layers for data transfer between systems.

a IEEE, ISDN
b IETF, ITU-T
c ITU-T, ISO
d ISDN, H.23
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911

How is Transfer Syntax different from Abstract Syntax?

a It defines a set of rules used to define data types and structures for the storage of information
b It represents the set of rules for communicating information between systems
c It specifies the management protocol in the application layer
d It makes ASN.1 independent of the lower-layer
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912

The symbol β€˜::=’ stands for________ in ASN.1 language.

a Signed number
b Alternatives
c Assignment
d Range
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913

In Abstract Syntax Notation One, we can group assignments that are related to each other; is group is called _______

a range
b cluster
c class
d module
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914

The terms_______, _______ and _____ are primitives and are called keywords in ASN.1

a DEFINITIONS, BEGIN, END
b IDENTIFIER, IMPORTS, INTEGER
c GET, GETNEXT, SET
d GETBULK, GETREQUEST, TRAP
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915

_________ is the algorithm used to convert textual ASN.1 syntax to machine-readable code.

a Modulation Error Rate (MER)
b Viterbi Error Rate (VER)
c Symbol Error Rate (SER)
d Bit Error Rate(BER)
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916

_________ involves detection and isolation of the problem causing the failure in the network.

a Configuration Management
b Fault Management
c Accounting Management
d Security Management
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917

_______ is an application oriented traffic that can be analyzed using performance-monitoring tools.

a Web-traffic
b File-transfer
c Internet mail
d Voice call
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918

In Network Management __________ plays a vital role in secure communication between two networks.

a monography
b stenography
c cryptography
d sinography
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919

Service and Business Management is an another dimension of application management, directed towards _________

a device manager
b customers
c service providers
d network manager
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920

In Fault management system, what can be used to track network problems?

a Performance management tools
b Trouble ticket administration
c Metrics
d Security database
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921

What is Self-healing in network management?

a It involves physically securing the network
b It is isolation of network problems
c It is reconfiguration of network
d It involves monitoring the traffic of network system
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922

The two primary ways of performing Fault Management are __________ and __________

a guided, unguided
b active, passive
c wired, wireless
d authorized, unauthorized
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923

_______ is a mechanism to transfer control messages between nodes.

a ICMP
b SNMP
c IMAP
d POP3
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924

Simple Network Management Protocol (SNMP) uses _________ layer for carrying out its operation.

a physical
b data link layer
c application
d network layer
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925

What was the ultimate standard in practice before SNMP Management?

a IEEE
b OSI Management
c TNM
d Web-based Management
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926

SMI and MIB are the two parts of _______ model of SNMP.

a functional
b communication
c information
d organization
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927

Internet was developed from _______ with the advent of UNIX and the popularization of client-server architecture.

a Usenet
b DNS
c World Wide Web
d ARPANET
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928

In the SNMP architecture ____________ is a system that collects and transmits local device information.

a manager
b agent
c management station
d subagent
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929

What feature differentiates SNMPv3 from SNMPv1 and SNMPv2?

a It has improved error handling process
b It provides a common medium for network devices to share management information
c It has enhanced security features
d It has improvements in performance and manager-to-manager communication
Medium
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930

_______ is a SNMP PDU used for sending requests to retrieve the value of a variable.

a GetRequest
b GetBulkRequest
c SetRequest
d GetNextRequest
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931

________ types of messages are sent from the agent to the manager.

a Trap
b Get
c Response
d Request
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932

What is the significance of the GET operation in SNMP?

a It helps in receiving unsolicited messages
b It is used for altering data variables
c It is used to retrieve SNMP object variables
d It is used for monitoring traffic
Medium
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933

In SNMP, objects are retrieved using ________ convention.

a Lexicographic
b Collation
c Alphabetical
d Numerical
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934

SNMP Trap messages comprise of three types of traps, those are_______, _______ and _______

a dynamic-trap, static-trap, dielectric-trap
b symmetric-trap, asymmetric-trap, time-stamp
c numeric-trap, alphabetic-trap, alphanumeric-trap
d generic-trap, specific-trap, time-stamp
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935

In RFC 1157 the entities residing in management stations and network elements are called SNMP ___________ entities.

a communication
b protocol
c application
d administrative
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936

A pairing of SNMP MIB views with an SNMP access code is called a _________

a community profile
b management profile
c communication profile
d performance profile
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937

____________ is a management tool that can capture packets going across a transmission medium.

a Sniffer
b Server
c Router
d Bridge
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938

An ASN.1 macro _______ is used to define an information module.

a INFORM-REQUEST
b OBJECT-TYPE
c MODULE-IDENTITY
d NOTIFICATION-TYPE
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939

What is the significance of Textual convention?

a It helps in defining new data types
b It defines a minimum set of capabilities
c It communicates with SNMPv2 manager over the UDP transport layer
d It helps in improving the security function of SNMPv2
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940

A/An ________ message is generated by a manager application and is transmitted to another manager application.

a Get-next request
b Set-request
c Get-request
d Inform-request
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941

_________ speeds up the get-next-request process and is especially useful to retrieve data from tables.

a Hypertext Transfer Protocol
b Manager-to-Manager Message
c Bulk Data Transfer Message
d Simple Mail Transfer protocol
Medium
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942

In Textual Convention ________ clause is applicable to situations where the underlying primitive type is either INTEGER or OCTET STRING.

a ROW-STATUS
b DISPLAY-STRING
c ROW-POINTER
d DISPLAY-HINT
Medium
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943

________ describes how to use a subset of ASN.1 to define an information module.

a DNS
b NMS
c SMI
d MIB
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944

The conformance information, which encompasses both compliance and agent capabilities, is covered in _________

a RFC 1904
b RFC 1902
c RFC 1903
d RFC 1905
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945

Security is provided by SNMPv3 using _______ and _______ of data packets over the network.

a integration, authentication
b encryption, decryption
c authentication, encryption
d synchronization, desynchronization
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946

SNMPv3 is an internet management standard defined by ________

a IETF
b IEEE
c ISO
d ITU-T
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947

Which protocol is used for managing network devices in the SNMP framework?

a IMAP
b SMTP
c UDP
d TCP/IP
Medium
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948

Among the SNMPv3 RFCs _________ describes architecture of SNMP Management Frameworks.

a RFC 3410
b RFC 3411
c RFC 3412
d RFC 3413
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949

The access control subsystem provides access _________ service.

a authentication
b security
c authorization
d administrative
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950

What is the function of an XML interpreter in SNMPv3 Architecture?

a It converts the XML PDU to SNMP PDU
b It converts SNMP PDU to XML
c It encrypts the PDU converted to XML
d It deciphers the PDU encrypted in XML
Medium
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