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Online Networking Test - Networking Test - Random

Instruction:
  • This is a FREE online test. Beware of scammers who ask for money to attend this test.
  • Total number of questions: 20.
  • Time allotted: 30 minutes.
  • Each question carries 1 mark; there are no negative marks.
  • DO NOT refresh the page.
  • All the best!

Marks : 2/20

Total number of questions
20
Number of answered questions
0
Number of unanswered questions
20
Test Review : View answers and explanation for this test.
1.
To back up an IOS, what command will you use?
backup IOS disk
copy ios tftp
copy tftp flash
copy flash tftp
Your Answer: Option
(Not Answered)
Correct Answer: Option
Explanation:
The command copy flash tftp will prompt you to back up an existing IOS in flash to a TFTP host.
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Learn more problems on : Networking Basics
2.
How long is an IPv6 address?
32 bits
128 bytes
64 bits
128 bits
Your Answer: Option
(Not Answered)
Correct Answer: Option
Explanation:
An IPv6 address is 128 bits long.
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Learn more problems on : Networking Basics
3.
What flavor of Network Address Translation can be used to have one IP address allow many users to connect to the global Internet?
NAT
Static
Dynamic
PAT
Your Answer: Option
(Not Answered)
Correct Answer: Option
Explanation:
Port Address Translation (PAT) allows a one-to-many approach to network address translation.
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Learn more problems on : Networking Basics
4.
How often are BPDUs sent from a layer 2 device?
Never
Every 2 seconds
Every 10 minutes
Every 30 seconds
Your Answer: Option
(Not Answered)
Correct Answer: Option
Explanation:
Every 2 seconds, BPDUs are sent out from all active bridge ports by default.
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Learn more problems on : Networking Basics
5.
What type of RJ45 UTP cable is used between switches?
Straight-through
Crossover cable
Crossover with a CSU/DSU
Crossover with a router in between the two switches
Your Answer: Option
(Not Answered)
Correct Answer: Option
Explanation:
To connect two switches together, you would use a RJ45 UTP crossover cable.
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Learn more problems on : Internetworking
6.
What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
Straight-through
Crossover cable
Crossover with a CSU/DSU
Rolled
Your Answer: Option
(Not Answered)
Correct Answer: Option
Explanation:
To connect to a router or switch console port, you would use an RJ45 UTP rolled cable.
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Learn more problems on : Internetworking
7.
What protocol is used to find the hardware address of a local device?
RARP
ARP
IP
ICMP
Your Answer: Option
(Not Answered)
Correct Answer: Option
Explanation:
Address Resolution Protocol (ARP) is used to find the hardware address from a known IP address.
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Learn more problems on : TCP/IP
8.
How many simultaneous Telnet sessions does a Cisco router support by default?
2
3
4
5
Your Answer: Option
(Not Answered)
Correct Answer: Option
Explanation:
Cisco routers, if they do not have the Enterprise edition of the IOS, will default to 5 simultaneous Telnet sessions.
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Learn more problems on : IOS and Security Device Manager
9.
If you want to have more than one Telnet session open at the same time, what keystroke combination would you use?
Tab+Spacebar
Ctrl+X, then 6
Ctrl+Shift+X, then 6
Ctrl+Shift+6, then X
Your Answer: Option
(Not Answered)
Correct Answer: Option
Explanation:
To keep open one or more Telnet sessions, use the Ctrl+Shift+6 and then X keystroke combination.
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Learn more problems on : Managing a Cisco Internetwork
10.
You telnet into a remote device and type debug ip rip, but no output from the debug command is seen. What could the problem be?
You must type the show ip rip command first.
IP addressing on the network is incorrect.
You must use the terminal monitor command.
Debug output is sent only to the console.
Your Answer: Option
(Not Answered)
Correct Answer: Option
Explanation:
To see console messages through your Telnet session, you must enter the terminal monitor command.
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Learn more problems on : Managing a Cisco Internetwork
11.
Network 206.143.5.0 was assigned to the Acme Company to connect to its ISP. The administrator of Acme would like to configure one router with the commands to access the Internet. Which commands could be configured on the Gateway router to allow Internet access to the entire network?
  1. Gateway(config)# ip route 0.0.0.0 0.0.0.0 206.143.5.2
  2. Gateway(config)# router rip
  3. Gateway(config-router)# network 206.143.5.0
  4. Gateway(config-router)# network 206.143.5.0 default
1 only
3 only
1, 2 and 4
1 and 4
Your Answer: Option
(Not Answered)
Correct Answer: Option
Explanation:
There are actually three different ways to configure the same default route, but only two are shown in the answer. First, you can set a default route with the 0.0.0.0 0.0.0.0 mask and then specify the next hop, as in option A. Or you can use 0.0.0.0 0.0.0.0 and use the exit interface instead of the next hop. Finally, you can use option D with the ip default-network command.
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Learn more problems on : IP Routing
12.
Which of the following protocols support VLSM, summarization, and discontiguous networking?
  1. RIPv1
  2. IGRP
  3. EIGRP
  4. OSPF
  5. BGP
  6. RIPv2
1 and 4
2 and 5
3, 4 and 6
All of the above
Your Answer: Option
(Not Answered)
Correct Answer: Option
Explanation:
RIPv1 and IGRP are true distance-vector routing protocols and can't do much, really-except build and maintain routing tables and use a lot of bandwidth! RIPv2, EIGRP, and OSPF build and maintain routing tables, but they also provide classless routing, which allows for VLSM, summarization, and discontiguous networking.
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Learn more problems on : EIGRP and OSPF
13.
If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame?
Discard it and send an error message back to the originating host
Flood the network with the frame
Add the source address and port to the MAC address table and forward the frame out the destination port
Add the destination to the MAC address table and then forward the frame
Your Answer: Option
(Not Answered)
Correct Answer: Option
Explanation:
Since the source MAC address is not in the MAC address table, the switch will add the source address and the port it is connected to into the MAC address table and then forward the frame to the outgoing port.
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Learn more problems on : Spanning Tree Protocol
14.
Which of the following is a layer 2 protocol used to maintain a loop-free network?
VTP
STP
RIP
CDP
Your Answer: Option
(Not Answered)
Correct Answer: Option
Explanation:
The Spanning Tree Protocol is used to stop switching loops in a switched network with redundant paths.
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Learn more problems on : Spanning Tree Protocol
15.
Which command will configure a switch port to use the IEEE standard method of inserting VLAN membership information into Ethernet frames?
Switch(config)# switchport trunk encapsulation isl
Switch(config)# switchport trunk encapsulation ietf
Switch(config)# switchport trunk encapsulation dot1q
Switch(config-if)# switchport trunk encapsulation isl
Switch(config-if)# switchport trunk encapsulation dot1q
Your Answer: Option
(Not Answered)
Correct Answer: Option
Explanation:
If you are on a 2950 switch, then the interface command is just switchport mode trunk, since the 2950 can only run the IEEE 802.1Q version. However, a 3550 can run both ISL and 802.1Q, so you must use the encapsulation command. The argument to choose 802.1Q for a trunking protocol is dot1q.
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Learn more problems on : Virtual LANs
16.
You have created a named access list called Blocksales. Which of the following is a valid command for applying this to packets trying to enter interface s0 of your router?
(config)# ip access-group 110 in
(config-if)# ip access-group 110 in
(config-if)# ip access-group Blocksales in
(config-if)# blocksales ip access-list in
Your Answer: Option
(Not Answered)
Correct Answer: Option
Explanation:
Using a named access list just replaces the number used when applying the list to the router's interface. ip access-group Blocksales in is correct.
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Learn more problems on : Security
17.
You configure the following access list: 
access-list 110 deny tcp 10.1.1.128 0.0.0.63 any eq smtp
access-list 110 deny tcp any eq 23
int ethernet 0
ip access-group 110 out
What will the result of this access list be?
Email and Telnet will be allowed out E0.
Email and Telnet will be allowed in E0.
Everything but email and Telnet will be allowed out E0.
No IP traffic will be allowed out E0.
Your Answer: Option
(Not Answered)
Correct Answer: Option
Explanation:
If you add an access list to an interface and you do not have at least one permit statement, then you will effectively shut down the interface because of the implicit deny any at the end of every list.
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Learn more problems on : Security
18.
What is the maximum distance running the lowest data rate for 802.11g?
About 100 feet
About 175 feet
About 300 feet
About 350 feet
Your Answer: Option
(Not Answered)
Correct Answer: Option
Explanation:
The IEEE 802.11g standard's lowest data rate is 6Mbps, but it can run from a distance of about 300 feet.
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Learn more problems on : Wireless Technologies
19.
When setting up Frame Relay for point-to-point subinterfaces, which of the following must not be configured?
The Frame Relay encapsulation on the physical interface
The local DLCI on each subinterface
An IP address on the physical interface
The subinterface type as point-to-point
Your Answer: Option
(Not Answered)
Correct Answer: Option
Explanation:
It is very important to remember when studying the CCNA exam objectives, and when configuring Frame Relay with point-to-point subinterfaces, that you do not put an IP address on the physical interface.
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Learn more problems on : Wide Area Networks
20.
When a router is connected to a Frame Relay WAN link using a serial DTE interface, how is the clock rate determined?
Supplied by the CSU/DSU
By the far end router
By the clock rate command
By the Physical layer bit stream timing
Your Answer: Option
(Not Answered)
Correct Answer: Option
Explanation:
Clocking on a serial interface is always provided by the CSU/DSU (DCE device). However, if you do not have a CSU/DSU in your nonproduction test environment, then you need to supply clocking with the clock rate command on the serial interface of the router with the DCE cable attached.
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Learn more problems on : Wide Area Networks
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