ITS Networking Practice Exam 3

Which IP address in a routing table signifies a default route? (389663)

0000

1 Use connections over shared broadband 2 Uses dedicated phone lines to connect to telco provider offices 3 Uses two 64Kbps channels (389564)

1 Cable modems 2 DSL 3 ISDN

1 Allows or blocks data packets 2 Authenticates a user from an external network 3 Distributes IP addresses 4 Makes a request from a private IP address routable 5 Uses a public network for private data communications (389572)

1 Firewall 2 Renote Acess Server 3 DHCP 4 NAT 5 VPN

1 The portion of the diagram labeled "A" is the 2 The portion of the diagram labeled "B" is the 3 The portion of the diagram labeled "C" is the (389589)

1 Internet 2 intranet 3 Extranet

1 Public websites are accessed through port 25 2 Secured websites are accessed through port 443 by default. 3 Unsecured websites are accessed through port 80 by default. (389580)

1 no 2 yes 3 yes

1 A layer 2 switch is also called a bridge. 2A layer 2 switch uses routing tables. 3 A switch floods ports if it does not know where to send a packet. (389518)

1 yes 2 no 3 yes

1 A router is used to separate multiple networks. 2 A VLAN is typically configured on a router. 3 NAT is the mapping of a private LAN IP address to a public IP address. (389575)

1 yes 2 no 3 yes

1 Ping is used to see if one can connect to a destination's IP address. 2 Traceroute shows actual IP addresses on a path from a source to a destination. 3 The host command performs DNS lookups. 4 Netstat shows open and listening ports on a device. (379371)

1 yes 2 no 3 yes 4 yes

1 A secondary name server gets its data from another name server using a zone transfer. 2 AAAA records resolve hostnames to IPv4 addresses. 3 Entries in a HOSTS file on a local computer take precedence over DNS (389525)

1 yes 2 no Yes

1 A Firewall can be a hardware device. 2 A Firewall can be a software package. 3 A Firewall is a special room to protect servers. (389522)

1 yes 2 yes 3 no

You must manually configure a computer with an IP address on the same network as a router. The router's interface is configured as 192.168.1.100 with a sub. mask of 255.255.255.0. Which two options are valid IP addresses you could assign the computer? (Choose two) (389619)

192.168.1.5 and 192.168.1.254

Which is the local address in IPv6 (389567)

::1

Which type of wireless network does not have a centralized device, such as a wireless access point or wireless router? (389639)

Ad hoc

A mesh network has to have termination points at both ends of the network (389594)

Bus

Which tool should you use to test if your Ethernet cables are wired correctly (424857)

Cable tester

1 GBps 10 Mbps 100 Mbps (389616)

Cat5e Cat3 Cat5

Your IT Director wants you to group all of the Administrative Assistants' computers so they can communicate as if they were on the same that they are located in different areas of a building. What should you do? (389536)

Configure a VLAN

Your IT Manager has asked you to identify and label a box of miscellaneous networking components. In the box is a cable wired as in the following image: (389586) The cable is a _____ cable. In which type of connection would this cable be used?

Crossover Switch and switch

"WAN" is a connection that uses a dedicated phone line from a customer to a telco provider's office. (389626)

DSL

What must be changed to receive an IP address from the DHCP service on the router? Once the address is set to use DHCP, how should the DNS address be obtained? (389605)

Enable obtain an IP address automatically and automatically, through the DHCP server

You need to connect a network adapter to a switch. You need the connection to be able to send and receive data at the same time. What type of connection (389557)

Full duplex

Which are tunnels used to transmit IPv6 address information over IPv4? (Choose two) (389533)

ISATAP and Teredo

Which step is the first step in troubleshooting a network-related problem in a small to medium-sized business? (379368)

Identify the problem

Which one of the following is a second-level domain (389547)

In-addr.arpa

Which command-line tool is used to display IP address information and, where applicable, DHCP server information? (389540)

Ipconfig/all

What is the physical topology of this network How many connections are there Among the routers (389597)

Mesh and 6

What best describes a virtual machine (424856)

Multiple operating systems running on one physical computer

A router is a device that functions primarily on the Data Link layer of the OSI Model. (389554)

Network

In which directions can communication occur between layers of the OSI model? (Choose three) (389630)

O peer layer in other networked computer systems, layer directly below, layer directly above

Assigns a specific number of packets to transmit Continuously pings a remote host until stopped Sends four packets to the local loopback address Specifies the size of the packet to transmit (389613)

Ping-n Ping -t Ping 127.0.0.1 Ping -l

What is the main used by firewalls to filter traffic (choose two) (389551)

Ports and protocols

192.168.0.0 - 192.168.255.255 224.0.0.0 - 239.255.255.255 75.0.0.0 - 75.255.255.255 (389644)

Private network addresses Multicast addresses Public network address

Which role needs to be added to an on-premises Windows Server in order to enable routing through the server? (389623)

Remote Access

Which three layers on the OSI model make up the Application layer on the TCP model? (Choose three) (389633)

Session, presentation, Application

Which type of network cables can carry signals over the longest distances? (389514)

Single-mode fiber

You are needing to set up a VPN between two companies that are collaborating on a project. Which type of VPN will you set up? (389561)

Site to site

An example of a physical ring topology would be eight hubs connected to a single switch. (389583)

Star

The physical topology of this network is a An example that typically uses this topology is (389636)

Star and Ethernet

You should use a _____ cable to connect each computer to the hub You should use a _____ cable to connect each hub to the switch (389649)

Straight-through Crossover

What is the primary disadvantage of a bus topology? (389659)

The network has a single point of failure

A user in your company cannot connect to any of the servers which are on the 192.168.1.0 network. You execute the ipconfic and see the results displayed in the following image: The problem is The solution is (389529)

There is no default gateway Configure a default gateway in the 10.1.3.x network

Which layer in the TCP model has TCP as its main protocol? (379365)

Transport

Which is a characteristic of peer to peer network? (424855)

Usually connects 10!or fewer devices

How can you connect computer devices using a public network and ensure their messages are safe from being intercepted by unauthorized users? (389544)

VPN

Which two types of servers are typically placed in a perimeter network? (389602)

Web server, email server