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Networking Questions And Answers Sample Test 4

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Networking Test 4

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Total Questions:2
Attended Questions:2
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Which statement is true regarding classless routing protocols?

The use of discontiguous networks is not allowed.
The use of variable length subnet masks is permitted.
RIPv1 is a classless routing protocol.
IGRP supports classless routing within the same autonomous system.
RIPv2 supports classless routing.


Classful routing means that all hosts in the internetwork use the same mask. Classless routing means that you can use Variable Length Subnet Masks (VLSMs) and can also support discontiguous networking.

  What command will display the forward/filter table


The command show mac address-table displays the forward/filter table on the switch.

 How many non-overlapping channels are available with 802.11h?


The IEEE 802.11h standard provides an addition 11 channels to the 802.11a standard's 12 non-overlapping channel for a total of 23 non-overlapping channels.

Which of the following provide inter-switch VLAN communication?



ISL is a Cisco-proprietary frame-tagging method. IEEE 802.1Q is the nonproprietary version of frame tagging.

5. You have 10 users plugged into a hub running 10Mbps half-duplex. There is a server connected to the switch running 10Mbps half-duplex as well. How much bandwidth does each host have to the server?


Each device has 10 Mbpsto the server.

Which of the following is true regarding access lists applied to an interface?


A Cisco router has rules regarding the placement of access lists on a router interface. You can place one access list per direction for each layer 3 protocol configured on an interface

7. Which command displays the configuration register setting?


The show version command provides you with the current configuration register setting.

If your routing table has a static, a RIP, and an IGRP route to the same network, which route will be used to route packets by default?


Static routes have an administrative distance of 1 by default. Unless you change this, a static route will always be used over any other found route. IGRP has an administrative distance of 100, and RIP has an administrative distance of 120, by default.

9.   Which protocol does DHCP use at the Transport layer


User Datagram Protocol is a connection network service at the Transport layer, and DHCP uses this connectionless service.

10. Which of the following is considered to be the destination host before translation?


The host on the global network before translation is considered to be an outside local host.

11.      Which of the following is true regarding RIPv2?


RIPv2 is pretty much just like RIPv1. It has the same administrative distance and timers and is configured just like RIPv1.

12. Which of the following is the valid host range for the subnet on which the IP address resides?


256 - 192 = 64. 64 + 64 = 128. 128 + 64 = 192. The subnet is 128, the broadcast address is 191, and the valid host range is the numbers in between, or 129-190.

13. If an Ethernet port on a router were assigned an IP address of, what would be the valid subnet address of this host?


A /25 mask is Used with a Class B network, the third and fourth octets are used for subnetting with a total of 9 subnet bits, 8 bits in the third octet and 1 bit in the fourth octet. Since there is only 1 bit in the fourth octet, the bit is either off or on-which is a value of 0 or 128. The host in the question is in the 0 subnet, which has a broadcast address of 127 since 128 is the next subnet.

You set the console password, but when you display the configuration, the password doesn't show up; it looks like this:

[output cut]
Line console 0
    Exec-timeout 1 44
    Password 7098C0BQR
[output cut]
What cause the password to be stored like this?


The command service password-encryption, from global configuration mode, will encrypt the passwords.

In Cisco's Unified Wireless Solution, what is the split-MAC architecture?


The split-MAC architecture allows the splitting of 802.11 protocol packets between the Cisco LWAPP-based AP, which handles real-time portions of the protocol, and the WLAN controller, which handles those items that are not time sensitive.

You want to implement a mechanism that automates the IP configuration, including IP address, subnet mask, default gateway, and DNS information. Which protocol will you use to accomplish this?


Dynamic Host Configuration Protocol (DHCP) is used to provide IP information to hosts on your network. DHCP can provide a lot of information, but the most common is IP address, subnet mask, default gateway, and DNS information.

17. Which of the following is the decimal and hexadecimal equivalents of the binary number 10011101?


To turn a binary number into decimal, you just have to add the values of each bit that is a 1. The values of 10011101 are 128, 16, 8, 4, and 1. 128 + 16 + 8 + 4 + 1 = 157.

Hexadecimal is a base-16 number system. The values of hexadecimal are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F-16 characters total, from which to create all the numbers you'll ever need. So, if 1001 in binary is 9, then the hexadecimal equivalent is 9. Since we then have 1101, which is 13 in binary, the hexadecimal answer is D and the complete hexadecimal answer is 0x9D.

18. 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?


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.

19. Suppose that you have a customer who has a central HQ and six branch offices. They anticipate adding six more branches in the near future. They wish to implement a WAN technology that will allow the branches to economically connect to HQ and you have no free ports on the HQ router. Which of the following would you recommend?


The key is "there are no free ports" on your router. Only Frame Relay can provide a connection to multiple locations with one interface, and in an economical manner no less.

20. Which of the following describes the creation of private networks across the Internet, enabling privacy and tunneling of non-TCP/IP protocols?


A allows the creation of private networks across the Internet, enabling privacy and tunneling of non-TCP/IP protocols. A VPN can be set up across any type of link.

21. Which class of IP address provides a maximum of only 254 host addresses per network ID?


A Class C network address has only 8 bits for defining hosts: 28 - 2 = 254.

Which switching technology reduces the size of a broadcast domain?


Virtual LANs break up broadcast domains in layer 2 switched internetworks.

23. Which of the following allows a router to respond to an ARP request that is intended for a remote host?


Proxy ARP can help machines on a subnet reach remote subnets without configuring routing or a default gateway.

Which of the following are types of flow control?

Congestion avoidance


The common types of flow control are buffering, windowing, and congestion avoidance.

The Acme Corporation is implementing dial-up services to enable remote-office employees to connect to the local network. The company uses multiple routed protocols, needs authentication of users connecting to the network, and since some calls will be long distance, needs callback support. Which of the following protocols is the best choice for these remote services?


PPP is your only option, as HDLC and Frame Relay do not support these types of business requirements. PPP provides dynamic addressing, authentication using PAP or CHAP, and callback services.

To enable EIGRP, which of the following would you use?

Router1(config-if)# ipv6 ospf 10 area
Router1(config-if)# ipv6 router rip 1
Router1(config)# ipv6 router eigrp 10
Router1(config-rtr)# no shutdown
Router1(config-if)# ipv6 eigrp 10 


Unlike RIPng and OSPFv3, you need to configure EIGRP both from global configuration mode and from interface mode, and you have to enable the command with the no shutdown command.

27. Which command will display the CHAP authentication process as it occurs between two routers in the network?


The command debug ppp authentication will show you the authentication process that PPP uses between point-to-point connections.

28. What is the maximum data rate for the 802.11g standard?


The IEEE 802.11g standard provides a maximum data rate of up to 54Mbps.

29. Which of the following is considered to be the address after translation?


The host on the private network after translation is considered to be an inside global host.

What are the two main types of access control lists (ACLs)?



Standard and extended access control lists (ACLs) are used to configure security on a router.

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