Networking Cisco

Which of the following describes an IP address as it exists on the LAN before translation by NAT?

. Inside local

You have created two VLANs on your switch: VLAN A and VLAN B. What device do you need to configure so that clients associated with VLAN A can communicate with clients associated with VLAN B?

. Router

Your NIC has the following MAC address: 00-11-11-82-0F-11. Which characters represent the OUI?

00-11-11

Which of the following is a MAC address?

00:00:0C:11:CF:12

Which of the following is a valid MAC address?

00:00:0C:11:CF:12

Which of the following Ethernet cabling schemes should you use to run 10-megabit Ethernet over fiber optic to the desktop?

10BaseFL

which of the following is a Class A IPv4 address? a. 150.176.150.1 b. 199.176.150.1 c. 120.176.150.1 d. 224.0.0.130

120.176.150.1

As part of your office network you want store backup data on USB drives. Theoretically, what is the maximum number of USB drives that you can connect to a USB hub?

127

What is the maximum transmission distance for a network using 10Base2 technology?

185 meters per segment

You want to run 1000BaseT cable as part of your Ethernet network. What is the transmission speed of 1000BaseT?

1Gbps

Which of the following is a Class C IPv4 address? a. 240.1.150.176 b. 201.150.176.1 c. 1.176.150.201 d. 176.150.201.1

201.150.176.1

You have created a mesh network with eight stations. How many links will you have to manage in this environment?

28

What is the formula used to calculate the number of subnet bits required to yield a required number of subnets?

2n =X, where n = number of subnet bits and X = number of networks

What is the default TCP port for HTTPS?

443

What is the maximum transmission distance for a network using 10Base5 technology?

500 meters per segment

Which IEEE network standard incorporates a bus topology, CSMA/CD access method, and baseband signaling?

802.3

Your NIC has the following MAC address: 00-11-11-82-0F-11. Which characters represent the device ID?

82-0F-11

Which of the following best describes a VLAN?

A switching technology that enables users on different switch ports to take part in their own network

Which protocol translates TCP/IP addresses to MAC addresses?

ARP

What does it mean when all routes are said to be converged?

All routers know routes to all networks

Which of the following is a characteristic of a client-server network?

Authentication conducted by a central entity

Which of the following is a connector type used with coaxial cabling?

BNC

Which of the following is true about bridges and switches?

Bridges use software to manage a filter table and switches use ASICs

Which category of UTP should you install if you want to carry a maximum bandwidth of 250MHz?

Cat 6

Which protocol should you use if you want to dynamically assign IP addresses to network clients?

DHCP

You have established a wireless network in your SOHO. Your office is in one building, and your laptop, where you monitor your email, is in your home office, which is 75 yards across your yard. There is a clear line of sight between your home and your office. The wireless router is an 802.11g unit, with four LAN ports. It functions as a firewall, NAT server, and DHCP server. Computers in the office never have issues with connectivity. Office computers can access local resources and Internet resources. Your laptop has been having problems accessing office resources and Internet resources. When you take the laptop to the office and connect it with a patch cable, everything works fine. What is the most likely problem?

DHCP configuration information is not being transmitted across the wireless network.

t which layer of the OSI model do bridges and switches operate?

Data Link

Which of the following routing protocol types determines the best route by using a single value such as hop count as its metric?

Distance vector

When a router learns routes to remote networks from other routers in the network it is known as ________ routing.

Dynamic routing

Which of the following is considered a hybrid IGP routing protocol?

EIGRP

Which of the following routing sources has an administrative distance of 90?

EIGRP route

Which of the following is a characteristic of a star topology?

Each node is connected to a central device.

Which of the following statements is a characteristic of a physical bus topology?

Every node is connected to a single backbone cable.

. Examine the routing table below. Which interface will a packet destined for a host with an IP address of 10.10.30.207/24 exit? Gateway of last resort is not set C 10.10.10.0 /24 is directly connected , FastEthernet 0/1 C 10.10.20.0 /24 is directly connected , FastEthernet 0/2 C 10.10.30.0 /24 is directly connected , FastEthernet 0/3 C 10.10.40.0 /24 is directly connected , Serial 0/1

FastEthernet 0/3

Which network device protects a local network's resources from external attacks?

Firewall

Which of the following is NOT true of a full duplex connection?

Full duplex means the device is capable of sending and receiving but not at the same time

Which physical layer network device broadcasts all incoming packets out all available ports?

Hub

Which protocol does PING use to check network connectivity?

ICMP

Which of the following statements is true in reference to the following IP address? 10.10.10.1

It is a Private Class A address.

Which of the following is NOT a characteristic of fiber optic cabling?

It is cheaper than twisted pair

Which of the following is NOT an advantage of EIGRP over RIPv2?

It is classless

Once a router determines the interface to which it should send a packet what occurs next?

It performs an arp broadcast only on the destination network to learn the MAC address of the destination computer

How is the value of the administrative distance of a route used?

It rates the trustworthiness of the route

Which of the following is NOT an advantage of using dynamic routing protocols? a. It allows for automatic reaction to lost routes b. It simplifies administration c. It reduces network traffic d. It allows for the determination of the best route

It reduces network traffic

If configured with a default gateway, what action does a host device take when it determines that the destination address of a packet is in a remote network?

It sends the packet to its configured default gateway

Which of the following is an advantage of using RIPv2 over RIPv1?

It sends the subnet mask with routing updates

Examine the routing table below. Which interface will a packet destined for the host with an IP address of 10.10.50.207/24 exit? Gateway of last resort is not set C 10.10.10.0 /24 is directly connected , FastEthernet 0/1 C 10.10.20.0 /24 is directly connected , FastEthernet 0/2 C 10.10.30.0 /24 is directly connected , FastEthernet 0/3 C 10.10.40.0 /24 is directly connected , Serial 0/1

It will be discarded

What is the name of the fiber-optic connector that has a small size and has replaced the SC and ST connectors?

MT-RJ

What is a process or service that provides a number of users with access to the Internet through a single registered IP address?

NAT

What network service provides a large number of users access to the Internet through a single registered IP address?

NAT

The local school district decided at its last school board meeting to install a wired LAN in the district high school. The high school has 250 stand-alone computers. For each computer to communicate on a wired LAN, the network person must install a(n) ____________ in each computer.

NIC

Which layer of the OSI model defines logical addressing and routing?

Network

Which of the following routing protocols makes use of areas to allow for creating a hierarchal design?

OSPF

What PDU is associated with the Network layer of the OSI model?

Packet

Which type of network is characterized by the lack of a dedicated server?

Peer-to-peer

Which layer of the OSI model is concerned with hubs and repeaters?

Physical

Which layer of the OSI model addresses data encryption?

Presentation

Which of the following is NOT a type of NAT?

Private NAT

With regard to RIP, which of the following statements are true?

RIP send the entire routing table to its neighbor every 30 seconds

You are using UTP to wire your home-office LAN. What type of network connectors will you have to install on the cables?

RJ-45

A local accounting office wants to have its computers networked. The office has decided to use coaxial cable as the transmission medium. Which transmission medium connector would connect each computer to the transmission medium? a. ST connector b. RJ-45 connector c. IBM data connector d. T-connector

RJ-45 connector

Your network is divided into two segments. As the signal travels down the first segment, it becomes weak. To amplify the signals passing to the second segment, the network engineer installed a networking device. Which networking device did the engineer install?

Repeater

You want to connect Network X to Network Y creating an internetwork. Which internetworking device should you use to accomplish this?

Router

The Network layer of the OSI model, by default, is concerned with which of the following devices?

Routers

Which protocol is used to send email messages?

SMTP

What type of network connector would you use if you were running fiber-optic cable on your network?

ST

When a switch boots up and receives the first frame from a host what does the switch do with the frame?

Send the frame to every switch port except the one on which it arrived

Which of the following is NOT one of the functions of Layer 2 switching?

Separation of broadcast domains

Which layer of the OSI model addresses the establishment, maintenance, and termination of a session?

Session

Which of the following is NOT a benefit of layer 2 switching?

Software based bridging

Which physical network topology can use a wireless access point as a connecting device?

Star

With respect to EIGRP, which type of route will be placed in the routing table?

Successor

Although redundant links between switches is a desirable design element, what problem does this pose in Layer 2 switched networks?

Switching loops

Which of the following options correctly describes the TCP three-way-handshake?

Syn, syn-ack, ack

Which of the following protocols in the TCP/IP suite is a connection oriented transport layer protocol?

TCP

Which of the following ports are matched with the correct protocol?

TCP port 53: DNS

When networked computers boot up, they are configured with a 169.254.x.x IP address. They cannot access Internet resources. What is the problem?

The DHCP server is down

What is the problem when network computers can access websites using an IP address only?

The DNS server is down.

You are not able to access the Internet using your laptop. Your laptop has the following configuration: IP Address. . . . . . . . . . . . : 10.0.0.230 Subnet Mask . . . . . . . . . . . : 255.255.255.255 Default Gateway . . . . . . . . . : 10.0.0.225 Why can't you access the Internet?

The subnet mask is misconfigured

With respect to EIGRP which of the following tables contains all destinations advertised by neighboring routers?

Topology table

Which of the following describes the changes made to create subnets?

Use bits from the host portion to create the subnet portion

Which of the following is a description of discontiguous networks?

When two or more subnetworks of a classful network are connected together by different classful networks

Which of the following functions of TCP control the amount of unacknowledged outstanding data segments?

Windowing

Your network is connected to the Internet. As the network administrator, you install packet filtering on the router that connects your network to the Internet. After you configure packet filtering, users on the network are no longer able to download files. What did you do to create this problem?

You blocked port 21.

Your network is connected to the Internet. As the network administrator, you install packet filtering on the router that connects your network to the Internet. After you configure packet filtering, users on the network are no longer able to send email outbound to the Internet. What did you do to create this problem?

You blocked port 25

In which of the following situations is full-duplex NOT possible? a. a connection between a switch and a switch b. a connection between a switch and a host c. a connection between a host and a host using a crossover cable d. a connection between a hub and a host

a connection between a hub and a host

Which of the following is NOT a type of IGP routing protocol? a. Hybrid state b. Distance vector c. Link state d. Hybrid

a. Hybrid state

What command produce the following output? Interface: 10.0.0.4 --- 0x8 Internet Address Physical Address Type 10.0.0.1 00-1b-2f-6b-d0-2a dynamic 10.0.0.3 00-20-00-21-9d-b6 dynamic

arp -a

Which of the following is classified as Class B private IP address? a. 10.125.169.254 b. 172.16.169.254 c. 192.168.1.1 d. 169.254.10.125

b. 172.16.169.254

Which of the following is classified as an APIPA address? a. 10.169.254.125 b. 125.10.169.254 c. 169.254.10.125 d. 169.10.1.254

c. 169.254.10.125

Which of the following is the default subnet mask for a Class B IPv4 address? a. 255.0.0.0 b. 255.255.255.255 c. 255.255.0.0 d. 255.255.255.0

c. 255.255.0.0

Which type of cabling is immune to RFI and EMI?

fiber optic

The purpose of a bridge is to ____________.

filter data on a network by MAC address

What occurs when a router receives a packet to a remote network that is not listed in the routing table?

it discards the packet and send s an ICMP message to the transmitting device

Which of the following is NOT an advantage to using a layered reference model, such as the OSI model?

it makes network communications faster

What command would generate the following output on a Windows 2000 Professional computer? Reply from 65.173.211.241: bytes=32 time=98ms TTL=240 Reply from 65.173.211.241: bytes=32 time=97ms TTL=240 Reply from 65.173.211.241: bytes=32 time=98ms TTL=240

ping

You are interviewing for a technology manager's job. The hiring party needs to test your knowledge of TCP/IP troubleshooting commands. She asks, "Which command should you execute if you want the easiest and fastest method of determining whether you have connectivity to the corporate intranet?"

ping

One function of a VLAN is to ____________.

reduce broadcast traffic

What router command generated the following output? Gateway of last resort is not set C 10.10.10.0 /24 is directly connected , FastEthernet 0/1 C 10.10.20.0 /24 is directly connected , FastEthernet 0/2 C 10.10.30.0 /24 is directly connected , FastEthernet 0/3 C 10.10.40.0 /24 is directly connected , Serial 0/1

show ip route

What does the term overloading mean when used in conjunction with NAT?

when there are more private IP addresses than public IP addresses