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Networking Fundamentals > Lesson 9 > Flashcards

Lesson 9 Flashcards

1
Q

Directly connected route

A

A path to a subnet that is directly connected to a router. Routers automatically know the patch for any directly connected subnets as directly connected routes.

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2
Q

Dynamic routing

A

Routers can have the routing table updated manually or dynamically. Dynamic routing means that a routing protocol automatically updates the routing table. Common routing protocols used in internal networks include RIPv2 and OSPF.

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3
Q

Router

A

A network device that connects networks and routes traffic between the networks. A router creates separate broadcast domains.

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4
Q

Routing and Remote Access

A

Services (RRAS)
A server role available in Windows Server 2008. When added, you can configure the server as a router or a remote access server.

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5
Q

Routing protocols

A

Protocols added to routers that allow the router to communicate with other routers on a network. Information exchanged between routers with these protocols update the routers routing tables without administrator intervention.

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6
Q

Routing table

A

A logical table maintained in router memory that. The routing table lists all known routes and the paths to these routes. Routing tables consume memory and can be updated either manually (static) or automatically (dynamic).

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7
Q

Static routing

A

Routers can have the routing table updated manually or dynamically. Static routing means that an administrator manually updates the routing table.

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8
Q

Wireless router

A

A WAP with additional components. It provides connectivity for wireless devices using a switch component and includes routing components to route traffic between networks.

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9
Q

True or false. A router determines the best path to another subnet based on the highest cost metric.

A

False

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10
Q

A DHCP-assigned IP address is also known as a ____.

A

Dynamic address

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11
Q

When a router is powered on, which of the following steps is performed first?

A

POST is run.

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12
Q

Which of the following permits a private address to be translated to a public address for Internet access?

A

NAT

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13
Q

You have added a second router to your network that includes three subnets. What’s the easiest way to ensure that both routers know the routes to all subnets?

A

Add static routes.

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14
Q

Which of the following networking components is described in the statement below?

“It forwards the DHCP broadcast messages generated by clients to DHCP servers on other networks.”

A

DHCP relay agent

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15
Q

True or false. You are adding a Windows Media Services server to your network that is using a Windows Server 2008 server as a router. You want to ensure that IP multicast traffic passes through the router. What would you add?

A

IGMP Router and Proxy service

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16
Q

True or False. Windows Server 2008 server supports RIPv2 and OSPF routing protocols.

A

False

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17
Q

Your network includes more than 50 hardware routers. What can you configure on these routers so that they will share routing information with each other? (Choose all that apply.)

A

OSPF
Routing protocols
RIPv2

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18
Q

A router is configured in a network that includes multiple other routers. What routes does a router know by default?

A

Directly connected routes

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19
Q

Identify whether the given statement is true or false.

“When DHCP reservations are used, each host system receives a random IP address from the scope of available IP addresses for its subnet.”

A

False

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20
Q

A network includes a router that is not RFC 1542 compliant. Computers on one subnet use DHCP. What should you add to ensure computers on other subnets connected to the router can use DHCP

A

DHCP relay agent

21
Q

Which of the following functions is NOT performed by a router?

A

Broadcast forwarding

22
Q

Which of the following services is required in a routed network to communicate with the DHCP server on another segment?

A

DHCP relay agent

23
Q

Identify whether the given statement is true or false.

“In a segmented network, the router prevents broadcasts from being transferred from one segment to another.”

A

True

24
Q

A router does not have an entry in its routing table for a packet. Which of the following is the next default location for the packet?

A

To the default next router

25
Q

Which of the following protocols is used to automatically assign IP addresses to host computers from a predefined address range?

A

DHCP

26
Q

In a complex network, a router transfers data packets by observing some form of parameters or metrics provided in the routing table. Which of the following metrics is NOT included in the routing table?

A

Frequency

27
Q

Which type of cable is used for testing port interfaces?

A

Loopback

28
Q

Which of the following is a function of NAT?

A

To permit multiple computers with private addresses to access the Internet using a single public address

29
Q

Which of the following protocols prevents routing loops by implementing a limit on the number of hops allowed in a path from the source to the destination?

A

RIP

30
Q

Write the command to identify the default gateway and routers.

A

ipconfig

31
Q

Which of the following does a DHCP client use to locate a DHCP server?

A

Broadcast

32
Q

Match the static routing information to their descriptions.

A

Metric: This represents a cost value to the route
Netmask: This is the subnet mask of the network ID.
Interface: This identifies the NIC that should be utilized to connect to the specified destination by name.
Gateway: This is the IP address of the destination router’s network interface.
Destination: This identifies the destination subnetwork.

33
Q

You work as a Network Administrator for McNeil Inc. The company has a TCP-based network. You want to connect a new client computer to the network. You have configured the computer to automatically receive IP addresses. Which of the following services is required to be running on the network?

A

DHCP

34
Q

Which of following is a distance-vector routing protocol that employs the hop count as a routing metric?

A

RIP

35
Q

You work as a Network Administrator for Perfect World Inc. The company has a TCP/IP-based routed network.

Subnet X and Subnet Y are configured with DHCP servers to provide automatic IP addresses to the client computers in their respective segments. The DHCP server on Subnet Y crashes. You have to immediately configure the network so that the DHCP server in Subnet X can provide DHCP services to the client computers of Subnet Y. The router on the network is not BOOTP enabled. Your solution must involve minimum administrative effort and cost. What will you do to resolve the issue?

A

Configure a DHCP relay agent on Subnet Y.

36
Q

Which of the following hardware devices prevents broadcasts from crossing over subnets?

A

Router

37
Q

You work as a Network Administrator for Tech Perfect Inc. The company has a TCP/IP-based routed network. Two routers have been configured on the network. A router receives a packet. Which of the following actions will the router take to route the incoming packet?

A

Use the routing table to determine the best path to the destination network address.

Read the destination IP address.

38
Q

Fill in the blank with the appropriate term (Use acronym only).

____ permits a private address to be translated into a public address for Internet access.

A

NAT

39
Q

Which of the following is used to provide the highest possible level of protection to the network while managing traffic via a router?

A

Application-layer filtering

40
Q

Which of the following is a function of routing protocols?

Each correct answer represents a complete solution. Choose all that apply.

A

To dynamically update information

To determine the best path to deliver packets by disseminating information about other routers connected to the network

41
Q

Match the router’s terminologies to their descriptions.

A

Static routing: It means that routes to different subnets in the network are manually added to the router.
Routing interface: This is the interface where packets are received and transmitted
Dynamic routing: It means that routes to different subnets in the network are automatically updated on the router.
Routing table: This is maintained within a router that identifies all known subnetworks.

42
Q

Which of the following are network connectivity devices?

Each correct answer represents a complete solution. Choose all that apply.

A

Hub
Brouter
Bridge
Repeater

43
Q

Which of the following devices can use IP addresses to control network traffic?

Each correct answer represents a complete solution. Choose all that apply.

A

Router

Layer 3 switch

44
Q

Which of the following is a routing protocol used to send a multicast packet as soon as a change in the network configuration is deleted?

A

OSPF

45
Q

You work as a Network Administrator for Tech Perfect Inc. The company has a TCP/IP-based routed network as shown in the image below:

You have configured a DHCP server on Subnet X. This server will provide DHCP lease to the client computers on both the subnets. You find that the clients in Subnet Y are not getting IP address leases from the DHCP server. Which of the following steps will you take to resolve the issue?

A

Install the DHCP relay agent in Subnet Y.

46
Q

Fill in the blank with the appropriate term.

____ routing is the process of manually entering routes into a device’s routing table through a configuration file loaded when the routing device starts up.

*Matching is case-insensitive.

A

Static

47
Q

The router has a static routing table and is not configured with a default route. What will the router do if it receives a packet that does not match any routes?

A

Discard the packet

48
Q

Choose and place the actions that a router takes when it receives a packet.

A
  1. Identifies the destination address of the packet
  2. Compares the destination address to entries in the routing table
  3. Selects the best path to the destination address
  4. Forwards the packet to the interface connected to the destination address
49
Q

Mark works as a Network Administrator for TechMart Inc. He has a routed network with a single DHCP server. He does not find any DHCP relay agents on the network. Which of the following would Mark use to enable them on the router?

A

BOOTP forwarding

Networking Fundamentals (21 decks)

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