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Review Questions - Chapter 1 Internetworking

Descripción

Network Fundamentals 1.3 Describe the impact of infrastructure components in an enterprise network 1.3.a Firewalls 1.3.b Access points 1.3.c Wireless controllers 1.5 Compare and contrast network topologies 1.5.a Star 1.5.b Mesh 1.5.c Hybrid
Kessi Silva
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Kessi Silva
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Resumen del Recurso

Pregunta 1

Pregunta
1. Which of the following statements is/are true with regard to the device shown here? (Choose all that apply.)
Image:
Selection 001 (binary/octet-stream)
Respuesta
  • It includes one collision domain and one broadcast domain.
  • It includes 10 collision domains and 10 broadcast domains.
  • It includes 10 collision domains and one broadcast domain.
  • It includes one collision domain and 10 broadcast domains.

Pregunta 2

Pregunta
With respect to the OSI model, which one of the following is the correct statement about PDUs?
Respuesta
  • A segment contains IP addresses.
  • A packet contains IP addresses.
  • A segment contains MAC addresses.
  • A packet contains MAC addresses.

Pregunta 3

Pregunta
You are the Cisco administrator for your company. A new branch office is opening and you are selecting the necessary hardware to support the network. There will be two groups of computers, each organized by department. The Sales group computers will be assigned IP addresses ranging from 192.168.1.2 to 192.168.1.50. The Accounting group will be assigned IP addresses ranging from 10.0.0.2 to 10.0.0.50. What type of device should you select to connect the two groups of computers so that data communication can occur?
Respuesta
  • Hub
  • Switch
  • Router
  • Bridge

Pregunta 4

Pregunta
The most effective way to mitigate congestion on a LAN would be to ________.
Respuesta
  • Upgrade the network cards
  • Change the cabling to CAT 6
  • Replace the hubs with switches
  • Upgrade the CPUs in the routers

Pregunta 5

Pregunta
In the following work area, draw a line from the OSI model layer to its PDU.
Image:
Selection 002 (binary/octet-stream)
Respuesta
  • Transport - Bits / Data Link - Segment / Physical - Packet / Network - Frame
  • Transport - Segment / Data Link - Bits / Physical - Packet / Network - Frame
  • Transport - Segment / Data Link - Frame / Physical - Bits / Network - Frame
  • Transport - Segment / Data Link - Frame / Physical - Bits / Network - Packet

Pregunta 6

Pregunta
What is a function of the WLAN Controller?
Respuesta
  • To monitor and control the incoming and outgoing network traffic
  • To automatically handle the configuration of wireless access points
  • To allow wireless devices to connect to a wired network
  • To connect networks and intelligently choose the best paths between networks

Pregunta 7

Pregunta
You need to provide network connectivity to 150 client computers that will reside in the same subnetwork, and each client computer must be allocated dedicated bandwidth. Which device should you use to accomplish the task?
Respuesta
  • Hub
  • Switch
  • Router
  • Bridge

Pregunta 8

Pregunta
In the following work area, draw a line from the OSI model layer definition on the left to its description on the right. Layer '-------------: Description Transport '-------------: Framing Physical '-------------: End-to-end connection Data Link '-------------: Routing Network '-------------: Conversion to bits
Respuesta
  • Transport - Framing / Physical - End-to-end connection / Data Link - Routing / Network - Conversion to bits
  • Transport - End-to-end connection / Physical - Routing / Data Link - Conversion to bits / Network - Framing
  • Transport - End-to-end connection / Physical - Conversion to bits / Data Link - Framing / Network - Routing
  • Transport -Conversion to bits / Physical - Routing / Data Link - End-to-end connection / Network - Framing

Pregunta 9

Pregunta
What is the function of a firewall?
Respuesta
  • To automatically handle the configuration of wireless access points
  • To allow wireless devices to connect to a wired network
  • To monitor and control the incoming and outgoing network traffic
  • To connect networks and intelligently choose the best paths between networks

Pregunta 10

Pregunta
Which layer in the OSI reference model is responsible for determining the availability of the receiving program and checking to see whether enough resources exist for that communication?
Respuesta
  • Transport
  • Network
  • Presentation
  • Application

Pregunta 11

Pregunta
Which of the following correctly describe steps in the OSI data encapsulation process? (Choose two.)
Respuesta
  • The Transport layer divides a data stream into segments and may add reliability and flow control information.
  • The Data Link layer adds physical source and destination addresses and an FCS to the segment.
  • Packets are created when the Network layer encapsulates a frame with source and destination host addresses and protocol-related control information.
  • Packets are created when the Network layer adds layer 3 addresses and control information to a segment.
  • The Presentation layer translates bits into voltages for transmission across the physical link.

Pregunta 12

Pregunta
Which of the following layers of the OSI model was later subdivided into two layers?
Respuesta
  • Presentation
  • Transport
  • Data Link
  • Physical

Pregunta 13

Pregunta
What is a function of an access point (AP)?
Respuesta
  • To monitor and control the incoming and outgoing network traffic
  • To automatically handle the configuration of wireless access point
  • To allow wireless devices to connect to a wired network
  • To connect networks and intelligently choose the best paths between networks

Pregunta 14

Pregunta
A_________is an example of a device that operates only at the physical layer.
Respuesta
  • Hub
  • Switch
  • Router
  • Bridge

Pregunta 15

Pregunta
Which of the following is not a benefit of using a reference model?
Respuesta
  • It divides the network communication process into smaller and simpler components.
  • It encourages industry standardization.
  • It enforces consistency across vendors.
  • It allows various types of network hardware and software to communicate.

Pregunta 16

Pregunta
Which of the following statements is not true with regard to routers?
Respuesta
  • They forward broadcasts by default.
  • They can filter the network based on Network layer information.
  • They perform path selection.
  • They perform packet switching.

Pregunta 17

Pregunta
Switches break up_______domains, and routers break up_______domains.
Respuesta
  • broadcast, broadcast
  • collision, collision
  • collision, broadcast
  • broadcast, collision

Pregunta 18

Pregunta
How many collision domains are present in the following diagram?
Image:
Selection 003 (binary/octet-stream)
Respuesta
  • 8
  • 9
  • 10
  • 11

Pregunta 19

Pregunta
Which of the following layers of the OSI model is not involved in defining how the applications within the end stations will communicate with each other as well as with users?
Respuesta
  • Transport
  • Application
  • Presentation
  • Session

Pregunta 20

Pregunta
Which of the following is the only device that operates at all layers of the OSI model?
Respuesta
  • Network host
  • Switch
  • Router
  • Bridge
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