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Computer Networks MCQs

998+ questions with answers

651

Which of the following statement is incorrect in case of hierarchical routing?

a Simple
b No collisions
c Non-optimal
d Reservation based scheduling
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652

Which of the following is not concerned by the switch to manage traffic in it?

a MAC address
b Collision Domain
c Segmentation
d Number of ports
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653

Which type of switch has more features among the following?

a Unmanaged switch
b Managed switch
c Enterprise managed switch
d Smart switch
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654

Which of the following can’t be a feature of hub?

a Filtering the data
b Half duplex transmission
c No software association
d Star topology architecture
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655

Which of the following are the types present in the hubs?

a Passive, active
b Active, intelligent
c Passive, Intelligent, non-intelligent
d Passive, active, intelligent
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656

Which of the following is incorrect about hubs?

a It does not have intelligence
b It has routing tables
c It uses broadcast messages
d It has no IP address
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657

Which of the following device belongs to physical layer?

a Switch
b Hub
c Bridge
d Router
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658

Which of the following device is a data link layer device?

a Router
b Switch
c Hub
d Repeater
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659

What is the maximum speed of the hub for packet broadcasting?

a 100 MBPS
b 10 MBPS
c 1 MBPS
d 250 MBPS
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660

Datagram switching is done at which layer of OSI model?

a Network layer
b Physical layer
c Application layer
d Transport layer
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661

Packets in datagram switching are referred to as ________

a Switches
b Segments
c Datagrams
d Data-packets
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662

Datagram networks mainly refers to _________

a Connection oriented networks
b Connection less networks
c Telephone networks
d Internetwork
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663

Datagrams are routed to their destinations with the help of ________

a Switch table
b Segments table
c Datagram table
d Routing table
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664

The main contents of the routing table in datagram networks are ___________

a Source and Destination address
b Destination address and Output port
c Source address and Output port
d Input port and Output port
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665

Which of the following is true with respect to the delay in datagram networks?

a Delay is greater than in a virtual circuit network
b Each packet may experience a wait at a switch
c Delay is not uniform for the packets of a message
d All of the mentioned
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666

During datagram switching, the packets are placed in __________ to wait until the given transmission line becomes available.

a Stack
b Queue
c Hash
d Routing table
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667

The probability of the error in a transmitted block _________ with the length of the block

a Remains same
b Decreases
c Increases
d Is not proportional
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668

Which of the following is false with respect to the datagram networks?

a Number of flows of packets are not limited
b Packets may not be in order at the destination
c Path is not reserved
d Delay is the same for all packets in a flow
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669

Network layer firewall works as a __________

a Frame filter
b Packet filter
c Content filter
d Virus filter
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670

Network layer firewall has two sub-categories as _________

a State full firewall and stateless firewall
b Bit oriented firewall and byte oriented firewall
c Frame firewall and packet firewall
d Network layer firewall and session layer firewall
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671

A firewall is installed at the point where the secure internal network and untrusted external network meet which is also known as __________

a Chock point
b Meeting point
c Firewall point
d Secure point
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672

Which of the following is / are the types of firewall?

a Packet Filtering Firewall
b Dual Homed Gateway Firewall
c Screen Host Firewall
d Dual Host Firewall
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673

A packet filter firewall filters at __________

a Physical layer
b Data link layer
c Network layer or Transport layer
d Application layer
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674

What is one advantage of setting up a DMZ with two firewalls?

a You can control where traffic goes in three networks
b You can do stateful packet filtering
c You can do load balancing
d Improved network performance
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675

What tells a firewall how to reassemble a data stream that has been divided into packets?

a The source routing feature
b The number in the header’s identification field
c The destination IP address
d The header checksum field in the packet header
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676

A stateful firewall maintains a ___________ which is a list of active connections.

a Routing table
b Bridging table
c State table
d Connection table
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677

A firewall needs to be __________ so that it can grow proportionally with the network that it protects.

a Robust
b Expansive
c Fast
d Scalable
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678

Complex networks today are made up of hundreds and sometimes thousands of _________

a Documents
b Components
c Servers
d Entities
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679

Performance management is closely related to _________

a Proactive Fault Management
b Fault management
c Reactive Fault Management
d Preventive Fault Management
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680

Configuration management can be divided into two subsystems: reconfiguration and __________

a Documentation
b Information
c Servers
d Entity
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681

In Network Management System, the term that is responsible for controlling access to network based on predefined policy is called ___________

a Fault Management
b Secured Management
c Active Management
d Security Management
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682

Control of users’ access to network resources through charges is the main responsibility of ______________

a Reactive Fault Management
b Reconfigured Fault Management
c Accounting Management
d Security Management
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683

Which of the following networks supports pipelining effect?

a Circuit-switched networks
b Message-switched networks
c Packet-switched networks
d Stream-switched networks
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684

In Network Management System, maps track each piece of hardware and its connection to the _________

a IP Server
b Domain
c Network
d Data
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685

MIB is a collection of groups of objects that can be managed by __________

a SMTP
b UDP
c SNMP
d TCP/IP
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686

A network management system can be divided into ___________

a three categories
b five broad categories
c seven broad categories
d ten broad categories
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687

____________ is a network management protocol that is specified in the OSI Model.

a Component Management Internet Protocol
b Common Management Information Protocol
c Simple Network Management Protocol
d Signal Network Management Protocol
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688

Which one of these is a Management notification service made available by Common Management Information Service Element (CMISE)?

a M-ACTION
b M-DELETE
c M-EVENT-REPORT
d M-CANCEL-GET
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689

The managed objects are defined as ___________ objects in SNMP.

a tensor
b scalar
c vector
d spinor
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690

The IEEE standards for Local Area Network (LAN) and Metropolitan Area Network (MAN) specifications are concerned with OSI layers __________ and _________

a Physical, Data Link
b Network, Transport
c Session, Presentation
d Data Link, Network
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691

There are four logical layers of TMN wherein the Service Management Layer ____________

a analyzes business aspects, trends and billing options
b performs configuration, control, and distributes network resources
c handles network elements, network information and helps in maintenance
d handles administration, information and charges of service in a network
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692

__________ is used to establish association between two network entities.

a SMTP (Simple Mail Transfer Protocol)
b Association Control Service Element (ACSE)
c Remote Operation Service Element (ROSE)
d ICMP (Internet Control Message Protocol)
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693

XML based network management uses _____________ technology for network management.

a Cascading Style Sheets
b Extensible Markup Language
c JavaScript Object Notation
d Hypertext Markup Language
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694

OSI Network Management Model comprises of four models, they are ____________

a organization model, information model, communication model and functional model
b security model, peer-to-peer model, centralized model, and decentralized model
c tiered model, hierarchical model, client/server model, logical layered model
d centralized model, decentralized model, physical model, and hierarchical model
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695

The architecture for SNMP standard for network management is defined by _________

a ITU-T
b ANSI
c IETF
d IEEE
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696

The fourth component of Network Management, functional model, deals with ___________

a the user-oriented requirements of network management
b the structure and organization of management information
c the components of a network management system
d the layer operation within the layers.
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697

What is the function of SMI?

a It deals with the storage of management information
b It addresses operation and administration of functional model
c It describes how the management information is structured
d It provides a complete model for network management
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698

Ping can _________

a Measure round-trip time
b Report packet loss
c Report latency
d All of the mentioned
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699

Ping sweep is a part of _________

a Traceroute
b Nmap
c Route
d Ipconfig
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700

ICMP is used in _________

a Ping
b Traceroute
c Ifconfig
d Both Ping & Traceroute
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