🌐

Computer Networks MCQs

998+ questions with answers

951

A _________ application is used to generate get-request, get-next-request, get-bulk, and set-request messages.

a command responder
b command generator
c notification receiver
d notification originator
Medium
View Details β†’
952

The ability to control what data a user can read or write is known as ________

a access control
b power control
c policy control
d flow control
Medium
View Details β†’
953

The use of ______ involves defining collections of data, groups of users of the data, and access statements.

a USM (User-Based Security Model)
b VACM (View-Based Access Control Model)
c MIB (Management Information Base)
d MAC (Message Access Code)
Medium
View Details β†’
954

An _________ SNMP engine is responsible for the accuracy of the time-stamp and a unique SNMP engine ID in each message.

a administrative
b informative
c non-authoritative
d authoritative
Medium
View Details β†’
955

What is the function of Masquerade in SNMPv3 security threats?

a Some unauthorized user may modify the contents of the message while it is in transit
b The message stream could be monitored by an unauthorized person by eavesdropping
c An unauthorized user sends information to another assuming the identity of an authorized user
d An authorized user is denied service by a management entity
Medium
View Details β†’
956

One important function of an NMS as a user is the discovery of agents in the network. This is accomplished by generating a ______ message.

a report
b response
c request
d setrequest
Medium
View Details β†’
957

What is the function of the access policy?

a It permits the operation of changes and modification in a key
b It provides a common medium for network devices to share management information
c It has enhanced security features
d It determines the access rights to objects as read-view, write-view, and notify-view
Medium
View Details β†’
958

An SNMP _______ is a collection of management information accessible by an SNMP entity.

a Context
b MIB View
c Groups
d Security Level
Medium
View Details β†’
959

SNMPv1 set the foundation for monitoring a network remotely from a centralized network operations center (NOC) and performing _____________ management.

a security
b configuration
c accounting
d performance
Medium
View Details β†’
960

The characterization of the performance of a computer network is ___________ in nature.

a non-statistical
b dynamical
c statistical
d demographical
Medium
View Details β†’
961

The process where a tool β€œsniffs” every packet that is going across a local area network (LAN), opens it and analyzes it is a __________ operation.

a passive
b active
c mobile
d dynamic
Medium
View Details β†’
962

What is the probe?

a It is a device that deals with the storage of management information
b It is a tool that addresses operation and administration of functional model
c It is a device that does the function of monitoring the packets
d It is a device that provides complete model for network management
Medium
View Details β†’
963

What is RMON?

a It is a processor that analyzes the data
b It is remote monitoring of the network using a probe
c It is a device that is connected to the transmission medium
d It is a module that collects data from the remotely monitored networks
Medium
View Details β†’
964

Which of the following is an advantage of RMON?

a It reduces the necessity of agents in the network to be visible at all times to the NMS
b It provides additional support for vendor specific MIB modules
c It is an excellent medium for fault management
d It is widely accepted and works good for device monitoring
Medium
View Details β†’
965

A token-ring probe monitors the token-ring ______________

a LAN
b WAN
c PAN
d MAN
Medium
View Details β†’
966

RMON1 was initially defined for data link level parameters of ________ LAN.

a Ethernet
b Token-Ring
c Frame Relay
d ATM
Medium
View Details β†’
967

_________ is used to define the ports to be monitored in a particular statistics, host, or matrix collection.

a atmMatrix
b portSelect
c atmStats
d portSelTable
Medium
View Details β†’
968

RMON probe is a type of probe measures traffic at the cell _________ level only.

a header
b footer
c bottom
d downward
Medium
View Details β†’
969

The ________ is an inventory of the protocols that the probe can monitor.

a protocol distribution group
b network-layer host group
c address map group
d protocol directory group
Medium
View Details β†’
970

Which of the following groups can generate a report of the top N protocol conversation?

a application-layer host group
b application-layer matrix
c probe configuration group
d alarm and history group
Medium
View Details β†’
971

The ATM RMON MIB is under the experimental node of the _____ lnternet MIB.

a IETF
b ISO
c ITU
d IEEE
Medium
View Details β†’
972

In RMON1 Ethernet groups, what are the Statistics group?

a It contains information about the hosts on the network
b It contains statistics measured by the probe for each monitored Ethernet interface on a device
c It is a periodic statistical sampling of data from various types of networks
d It periodically takes statistical samples on specified variables in the probe and compares them with the pre-configured thresh
Medium
View Details β†’
973

Network Status Tools lists some of the network status-monitoring tools that are available in the ___________ and ___________ environments.

a Linux, Microsoft Windows
b UNIX, MacOS X
c Solaris, HP-UX
d Windows XP, AIX
Medium
View Details β†’
974

The command ________ on a UNIX system is used to assign an address to a network interface or to configure network interface-parameters.

a ping
b ifconfig
c nslookup
d host
Medium
View Details β†’
975

How can we obtain IP address using nslookup?

a By repeatedly executing ping with a large repeat count
b By calculating the difference in round-trip times for different packet sizes from each end of the link
c By sending the query to the local domain name server
d By finding all the hosts on a local area network (LAN) using a broadcast ping on the LAN
Medium
View Details β†’
976

A _________ provides the service of locating IP addresses.

a Address Resolution Protocol
b Dynamic Host Configuration Protocol
c Domain Name Server
d Virtual Private Network
Medium
View Details β†’
977

________ communicates with a network object using the SNMP get-request message.

a SNMP Set Command
b SNMP Walk Command
c SNMP Get Command
d SNMP Get-Next Command
Medium
View Details β†’
978

What is the function of an SNMP Sniff tool?

a It captures SNMP packets going across the segment and stores them for later analysis
b It displays the entire MIB tree supported by the agent
c It is useful to get the values of variables in table
d It sends the SNMP set-request message and receives the get-response command
Medium
View Details β†’
979

Although protocol analyzer could be used for the analysis of any line, it is primarily used in the _______ environment.

a Personalized Area Network
b Local Area Network
c Wide Area Network
d Metropolitan Area Network
Medium
View Details β†’
980

One key aspect of network management is _______ management.

a traffic
b link
c strategic
d operation
Medium
View Details β†’
981

________ is the best tool to gather network statistics.

a SNMP MIB Browser
b Protocol analyzers
c RMON Probe
d SNMP Command-Line Tools
Medium
View Details β†’
982

The RMON1 MIB groups and tables are used to gather statistics at the ________ in Ethernet and token ring LANs.

a transport layer
b application layer
c network layer
d data link layer
Medium
View Details β†’
983

How are load statistics in an IP network obtained?

a It is obtained using NetMetrix LanProbe and a protocol analyzer
b It is obtained by measuring traffic in a segment directly
c It is obtained by measuring IP packets at the network layer level
d It is obtained by presenting similar statistical data on traffic
Medium
View Details β†’
984

Traffic load information can be used for _______ management of real-time and non-real-time traffic.

a fault
b security
c amplitude
d bandwidth
Medium
View Details β†’
985

The SNMP protocol allows a/an ______ to get or set the value of a variable.

a agent
b object
c manager
d host
Medium
View Details β†’
986

What is the use of RMON MIB?

a It is very useful in localizing the source of route failure
b It provides a convenient mechanism to build network-monitoring systems
c It analyzes the data for the required statistics
d It is used for obtaining port information of different applications and sessions
Medium
View Details β†’
987

In ______________ is controlled by a configuring file, which sets a number of parameters.

a performance discovery
b configuring discovery
c discovery procedure
d configuration management
Medium
View Details β†’
988

Which of the following is one of the services provided by Telecom Network presently?

a Remote Monitoring
b Geographic Spread
c Internet
d Network Management
Medium
View Details β†’
989

_____________ is a type of network that has a large number of manageable devices including switches, servers, routers, base stations, multiplexers, etc.

a Scalability
b Heterogeneity
c Bursty Load
d Geographic Spread
Medium
View Details β†’
990

Much of network management is performed remotely from the ____________

a Mobile Station (MS)
b Authentication Center (AUC)
c Network Options Center (NOC)
d Base Station (BS)
Medium
View Details β†’
991

What is the function of a Fault Manager (FM)?

a It receives notifications of events in Network Elements
b It provides additional support for vendor specific MIB modules
c It is responsible for automatically detecting the presence of new Network Elements in the network
d It provides secure access to Network Elements
Medium
View Details β†’
992

Functional modules communicate with the Network Elements through the _________

a CMIP
b SMTP
c ICMP
d ARP
Medium
View Details β†’
993

System operators interface with the operations systems using ________

a transmission station
b workstations
c switching station
d customers
Medium
View Details β†’
994

What is the use of a trunk system in the Operations Support System for Network Transmission?

a It is used for planning and implementation of adequate facilities for traffic to be handled without being blocked
b It is used to change operations system, as it is also used to control the network and network elements
c It is used to monitor the loss and signal-to-noise ratio in the trunk transmission system in Bell System
d It is used to make network management system interoperable
Medium
View Details β†’
995

TMN had been developed based on ________ management principles.

a OSI
b ITU
c IEEE
d IETE
Medium
View Details β†’
996

The operations systems in the OAMP of telecommunication network are part of the telecommunications network management activities and fall under the ________ function of the network management.

a performance management
b fault management
c security management
d configuration management
Medium
View Details β†’
997

An interface between a management agent embedded in a network element and a network management system will be a _____ reference point.

a q3
b x
c qx
d f
Medium
View Details β†’
998

________ is used by the performance management application to gather traffic statistics, by the configuration system to discover and delete network elements, and by the fault management system to gather errored-seconds on unstable elements.

a Function Blocks
b Physical Architecture
c Physical Blocks
d Information Architecture
Medium
View Details β†’