A packet filter firewall filters at _____
1. Physical layer
2.Data link layer
3.Network layer or Transport layer
4.Application layer
Posted Date:-2021-12-28 07:51:55
At which interval does OSPF refresh LSAs?
1.10 seconds
2. 30 seconds
3. 30 minutes
4.1 hour
Posted Date:-2021-12-28 07:43:57
DBD packets are involved during which two states?
1.Exstart and exchange
2. Loading and Two-way
3. Init and Full
4. Down and Loading
Posted Date:-2021-12-28 07:43:37
During datagram switching, the packets are placed in __________ to wait until the given transmission line becomes available.
1. Stack
2.Queue
3.Hash
4.Routing table
Posted Date:-2021-12-28 07:49:28
In OSPF database descriptor packet, if there are more database descriptor packets in the flow, ‘M’ field is set to ______
1.1
2.0
3.more
4.-1
Posted Date:-2021-12-28 07:38:52
MIB is a collection of groups of objects that can be managed by ____
1. SMTP
2.UDP
3.SNMP
4.TCP/IP
Posted Date:-2021-12-28 07:58:00
The outcome of Dijkstra’s calculation is used to populate the ____
1.Topology table
2.Routing table
3.Neighbor table
4.Adjacency table
Posted Date:-2021-12-28 07:41:37
A firewall needs to be __________ so that it can grow proportionally with the network that it protects.
1. Robust
2.Expansive
3.Fast
4. Scalable
Posted Date:-2021-12-28 07:53:56
A network management system can be divided into _____
1. three categories
2. five broad categories
3.seven broad categories
4. ten broad categories
Posted Date:-2021-12-28 07:58:23
A proxy firewall filters at _____
1.Physical layer
2.Data link layer
3.Network layer
4.Application layer
Posted Date:-2021-12-28 07:51:30
A stateful firewall maintains a ______ which is a list of active connections.
1.Routing table
2. Bridging table
3.State table
4. Connection table
Posted Date:-2021-12-28 07:53:14
An OSPF router receives an LSA, the router checks its sequence number, and this number matches the sequence number of the LSA that the receiving router already has. What does the receiving router do with the LSA?
1.Ignores the LSA
2. Adds it to the database
3.Sends newer LSU update to source router
4.Floods the LSA to the other routers
Posted Date:-2021-12-28 07:39:57
An OSPF router receives an LSA. The router checks its sequence number and finds that this number is higher than the sequence number it already has. Which two tasks does the router perform with the LSA?
1. Ignores the LSA
2.Adds it to the database
3. Sends newer LSU update to source router
4.Floods the LSA to the other routers
Posted Date:-2021-12-28 07:40:20
An OSPF router receives an LSA. The router checks its sequence number and finds that this number is lower than the sequence number it already has. What does the router do with the LSA?
1. ignores the LSA
2. adds it to the database
3.sends newer LSU update to source router
4. floods the LSA to the other routers
Posted Date:-2021-12-28 07:40:45
Choose the wrong statement from the following.
1.Nslookup is used to query a DNS server for DNS data
2.Ping is used to check connectivity
3.Pathping combines the functionality of ping with that of route
4. Ifconfig can configure TCP/IP network interface parameters
Posted Date:-2021-12-28 08:02:07
Complex networks today are made up of hundreds and sometimes thousands of _____
1.Documents
2.Documents
3.Servers
4.Entities
Posted Date:-2021-12-28 07:54:35
Configuration management can be divided into two subsystems: reconfiguration and ____
1. Documentation
2.Information
3.Servers
4.Entity
Posted Date:-2021-12-28 07:55:29
Control of users’ access to network resources through charges is the main responsibility of ______
1.Reactive Fault Management
2.Reconfigured Fault Management
3. Accounting Management
4.Security Management
Posted Date:-2021-12-28 07:56:17
Datagram networks mainly refers to _________
1.Connection oriented networks
2. Connection less networks
3.Telephone networks
4. Internetwork
Posted Date:-2021-12-28 07:46:24
Datagram switching is done at which layer of OSI model?
1.Network layer
2.Network layer
3.Application layer
4.Transport layer
Posted Date:-2021-12-28 07:45:37
Datagrams are routed to their destinations with the help of ________
1.Switch table
2.Segments table
3.Datagram table
4. Routing table
Posted Date:-2021-12-28 07:46:52
Each LSA has its own age timer. By default, how long does an LSA wait before requiring an update?
1. 30 seconds
2. 1 minute
3. 30 minutes
4.1 hour
Posted Date:-2021-12-28 07:41:10
ICMP is used in _____
1.Ping
2.Traceroute
3.Ifconfig
4.Both Ping & Traceroute
Posted Date:-2021-12-28 07:59:59
If you want to find the number of routers between a source and destination, the utility to be used is ______
1. route
2. Ipconfig
3.Ifconfig
4.Traceroute
Posted Date:-2021-12-28 08:00:50
In Network Management System, maps track each piece of hardware and its connection to the _________
1. IP Server
2.Domain
3.Network
4.Data
Posted Date:-2021-12-28 07:57:30
In Network Management System, the term that is responsible for controlling access to network based on predefined policy is called _______
1.Fault Management
2.Secured Management
3.Active Management
4.Security Management
Posted Date:-2021-12-28 07:55:54
In OSPF database descriptor packet, which field is used to detect a missing packet?
1. LSA header
2.MS
3.Database descriptor sequence number
4.Options
Posted Date:-2021-12-28 07:39:16
Packets in datagram switching are referred to as ________
1.Switches
2. Segments
3.Datagrams
4.Data-packets
Posted Date:-2021-12-28 07:46:02
Performance management is closely related to _______
1.Proactive Fault Management
2.Fault management
3.Reactive Fault Management
4.Preventive Fault Management
Posted Date:-2021-12-28 07:55:02
Ping can ____
1.Measure round-trip time
2.Report packet loss
3.Report latency
4.all of the mentioned
Posted Date:-2021-12-28 07:59:05
Ping sweep is a part of ______
1. Traceroute
2.Nmap
3.Route
4. Ipconfig
Posted Date:-2021-12-28 07:59:31
The main contents of the routing table in datagram networks are ______
1.Source and Destination address
2.Destination address and Output port
3.Source address and Output port
4. Input port and Output port
Posted Date:-2021-12-28 07:48:05
The physical connection between an end point and a switch or between two switches is __________
1.Transmission path
2.Virtual path
3. Virtual circuit
4.Transmission circuit
Posted Date:-2021-12-28 07:56:42
The probability of the error in a transmitted block _________ with the length of the block
1.Remains same
2.Decreases
3. Increases
4.Is not proportional
Posted Date:-2021-12-28 07:49:54
What is one advantage of setting up a DMZ with two firewalls?
1. You can control where traffic goes in three networks
2.You can do stateful packet filtering
3.You can do load balancing
4.Improved network performance
Posted Date:-2021-12-28 07:52:20
What is the IP protocol number for OSPF packets?
1. 89
2.86
3.20
4.76
Posted Date:-2021-12-28 07:41:58
What tells a firewall how to reassemble a data stream that has been divided into packets?
1.The source routing feature
2. The number in the header’s identification field
3. The destination IP address
4. The header checksum field in the packet header
Posted Date:-2021-12-28 07:52:44
Which field is NOT a field within an OSPF packet header?
1. Packet length
2. Router ID
3. Authentication type
4.Maxage time
Posted Date:-2021-12-28 07:44:18
Which multicast address does the OSPF Hello protocol use?
1. 224.0.0.5
2.224.0.0.6
3. 224.0.0.7
4. 224.0.0.8
Posted Date:-2021-12-28 07:43:09
Which of the following is / are the types of firewall?
1. Packet Filtering Firewall
2.Dual Homed Gateway Firewall
3.Screen Host Firewall
4.Dual Host Firewall
Posted Date:-2021-12-28 07:51:04
Which of the following is false with respect to the datagram networks?
1.Number of flows of packets are not limited
2. Packets may not be in order at the destination
3.Path is not reserved
4.Delay is the same for all packets in a flow
Posted Date:-2021-12-28 07:50:19
Which of the following is not related to ipconfig in Microsoft Windows?
1. Display all current TCP/IP network configuration values
2.Modify DHCP settings
3.Modify DNS settings
4.Trace the routers in the path to destination
Posted Date:-2021-12-28 08:01:17
Which of the following is true with respect to the delay in datagram networks?
1. Delay is greater than in a virtual circuit network
2.Each packet may experience a wait at a switch
3.Delay is not uniform for the packets of a message
4. All of the mentioned
Posted Date:-2021-12-28 07:48:58
Which of the following networks supports pipelining effect?
1.Circuit-switched networks
2.Message-switched networks
3.Packet-switched networks
4.Stream-switched networks
Posted Date:-2021-12-28 07:57:08
Which of the following remains same in the header of the packet in a datagram network during the entire journey of the packet?
1.Destination address
2.Source address
3. Checksum
4.Padding
Posted Date:-2021-12-28 07:48:33
Which OSPF show command describes a list of OSPF adjacencies?
1.Show ip ospf interface
2.Show ip ospf
3.Show ip route
4.Show ip ospf neighbor
Posted Date:-2021-12-28 07:45:03
Which packet is NOT an OSPF packet type?
1.LSU
2. LSR
3.DBD
4.Query
Posted Date:-2021-12-28 07:42:22
Which two commands are required for basic OSPF configuration?
1.“[Network mask] area [area-id]†and “Router ospf [process-id]â€
2.“[Wildcard-mask] area [area-id]†and “[Network mask] area [area-id]â€
3.Only “Router ospf [process-id]â€
4.“[Wildcard-mask] area [area-id]†and “Router ospf [process-id]â€
Posted Date:-2021-12-28 07:44:41
_____ command is used to manipulate TCP/IP routing table.
1. route
2.Ipconfig
3.Ifconfig
4.Traceroute
Posted Date:-2021-12-28 08:00:28
______ allows checking if a domain is available for registration.
1. Domain Check
2.Domain Dossier
3.Domain Lookup
4.Domain registers
Posted Date:-2021-12-28 08:01:40