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iT FUNDE > Module 5 > Flashcards

Module 5 Flashcards

1
Q

Host Devices 9

A

Desktop, laptop, Server
Tablet, Smartphone, Printer, CAMERA, IP Phone, Scanner

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2
Q

intermediary devices ensure that data flows from one host device to another host device.
what 5

A
  1. W ireless Router// connects multiplw wireless devices to the network and may include a switch to connect wired hosts.
  2. A ccess Point// connects wireless router and is used to extend the reach of a wireless network.
  3. R outer// forwards traffic between network
  4. M odem // home/small office to. internet
  5. S witch//. multiple networks
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3
Q
  1. A network that **spans across a city, **
  2. A LAN that wirelessly connects devices on the network(uses radio waves)
  3. Connects devices in** close proximity** to the user, usually using Bluetooth
A
  1. MAN (Metropolitan Area Network)
  2. WLAN ( Wireless Local area network)
  3. PAN (Personal area network)
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4
Q
  1. Wireless APs connect together to EXTEND the reach of a wireless network
  2. Connects networks across large geographical distance, such as the internet, PH to US
  3. Allows users connect to another network across unsecure networks
  4. uses wire cable to connect devices to a switch in a small geographical
  5. Can extend beyond traditional LANs and group users based on administratively defined boundaries instead of physical boundaries
A
  1. WMN(wireless mesh network
  2. WAN(ide area network )
  3. VPN (Virtual Private network)
  4. LAN (Local Area Network
  5. VLAN (Virtual Local Area Network)
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5
Q

extend the distance a signal can travel.

A

Repeaters

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5
Q

can transmit data over standard voice telephone lines. This type of service uses an analog modem to place a telephone call to another modem at a remote site. This method of connection is known as dialup.

A

Analog Tele.

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6
Q

uses multiple channels and can carry different types of services, it is considered a type of broadband. multiple channels to send voice, video, and data

A

ISDN (Integral Services Digital Nettwork)

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7
Q

send multiple signals over the same medium.

types? 3 sila

A

Broadband,

DSL(Digital Subscriber Line)// Digital phone service that connect to the internet.

Cable// Use coaxial cables to deliver content including TV channels, internet, and voice calls.

Fiber//popular
transfer
data choice for internet connections to homes and businesses that uses light to popular
transfer
data popular
transfer
data.

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8
Q
  1. A cell phone configured to allow other devices to connect via Wi-Fi.
  2. A popular choice for rural markets that do not have a DSL or cable provider.
A
  1. Hotspot
  2. Satellite
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9
Q
  1. Tower to provide seamless access to phone and internet services.
  2. d process of connecting another device to a cp. para ung device maka access sa inter.(bluetooth, usb cable)
A
  1. Cellular
  2. Tethering
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10
Q
  1. The transport layer has only
    (??) protocol, like the internet layer.
  2. Some application layer protocols use only UDP.
  3. Some application layer protocols can use both TCP and UDP.
A
  1. 2
  2. true
  3. true (bawal ang wala kang gamitn
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11
Q

TCP has 2 model?

A
  1. TCP (Transport Control Protocol ) // **responsible for tracking all the network connections **between a user’s device and multiple destinations
  2. IP (Internet Protocol)// responsible for adding addressing so that data can be routed to the intended destination.
    3.
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12
Q

TCP vs UDP

A

Transport Control Protocol // reliable, resends lost data,
User Datagram Protocol // no reliability, no send of lost data, not require ack. pero best-effort delivery

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13
Q

Wireless protocols for close proximity 3

A

Bluetooth, Radio Frequency// 2.4 to 2.485 GHz, wireless pan
radio frequency Identification (RFID)// 125 MHz to 960 MHz (for, identify items
Near Field Communication (NFC)// 13.56 MHz method to complete transactions.

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14
Q

2 smart home standards that allow users to connect multiple devices in a wireless mesh network

A
  1. Zigbee// low-power digital radios, smart home standard with some open source code that uses IEEE 802.15.4.
  2. Z-Wave// smart home standard that can support up to 232 connected devices in the same wireless mesh network.
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15
Q

Cellular Generations 8

A
  • (1G) of cell phones were analog voice calls only. 2G introduced digital voice, conference calls, and caller ID.
  • 2.5G supports web browsing, short audio and video clips, games, and downloads of applications and ring tones.
  • 3 G supports full-motion video, streaming music, 3D
    gaming
    AR
    VR     3D
    gaming
    AR
    VR    , and faster web browsing.
  • 3.5 supports high-quality streaming video may VoIP
  • 4 G No cell phone carriers could meet the 4G speed standards when first announced in 2008.( dto support lht)
  • LTE meets the 4G speed standards.
  • 5 G augmented reality (3D
    gaming
    AR
    VR    ), virtual reality (3D
    gaming
    AR
    VR    ), smart homes, smart cars
  • 6G
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16
Q

A technology that meets the standards for fourth generation mobile phones.

A

LTE

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17
Q

A secure close proximity transaction system typically used for wireless payments.

  1. A tag and reader system can accommodate ranges from 25 meters for passive tags and up to 100 meters for active tags.
A
  1. NFC
  2. RFID
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18
Q
  1. A legacy WLAN standard with a maximum speed of 54 Mb/s.
  2. The standard that all WLAN should use when implementing new devices.
A
  1. 802.11g
  2. 802.11ac
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19
Q

Hosts that provide services are called servers. Hosts that use these services are called clients.

A
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20
Q
  1. ?? use MAC addresses to forward traffic within a single network
  2. ?? use IP addresses to forward traffic to other networks
A

Switches
Routers

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21
Q

Two important IP address

Two important IP address are ?

A

DHCP //
and DNS// method computers use to translate domain names into IP addresses.

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22
Q

DNS has records 4

A

A//

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23
Q
  1. Provide client access to print resources.
  2. Administer print jobs by storing them in a queue until the print device is ready for them and then feeding or spooling the print information to the printer.
  3. Provide feedback to users.
A

Print servers// enable multiple computer users to access a single printer

24
Q

the ability to transfer files between a client and a server 3.

A

File Transfer Protocol (FTP)
1. FTPS// encrypted. The file server can accept or deny the request.
2. SFTP// to establish a secure file transfer session.
3. Secure Copy (SCP) - uses SSH to secure file transfers.

25
Q

Server, authentication, authorization, and accounting services.

A

Authentication server

26
Q

Server, The syslog protocol allows networking devices to send their system messages across the network to syslog servers. puro information log in
- storing system messages from networking devices

A

Syslog server

27
Q

Provides the ability to cache web pages for quick access

A

Proxy

28
Q

Uses protocols such as SMTP and POP3 to send and receive messages

A

Mail seerver

29
Q

Uses protocols such as HTTP and HTTPS to** display information in a browser
**

A

Web

30
Q

Provides IP addresses to hosts on the network

A

DHCP

31
Q
  1. A device that c**opies traffic and forwards to a management **station for evaluation.
  2. A device that offers stateful packet inspection along with other advanced features.
A
  1. IDS (Intrusion Detection Systems)
  2. UTM (Unified Threat Management )
32
Q

A device placed between an internal and external network **to filter traffic **based on rules defined in an ACL.

A

Firewall

33
Q

1.A device that is installed inline on the network** to evaluate traffic b**efore forwarding it to the destination.

  1. dev. centralizes the view of all devices in the network so that administrators can manage them from one interface
A
  1. IPS (Intrusion Prevention Systems)
  2. Endpoint Management Server
34
Q
  1. Connects end devices to the network
  2. A legacy device that was used to divide a LAN into segments
A
  1. NIC
  2. Bridge
35
Q
  1. A device that connects networks and forwards data based on the IP address
  2. A legacy device that extended the number of devices that could be connected to the LAN
  3. A device that microsegments a LAN and forwards data based on the MAC address
A
  1. Router
  2. Hub
  3. Wireless AP
36
Q

A device that uses radio waves to extend the distance of a network

A

Switch

37
Q
  1. **Sending data down **power lines to networked devices.
  2. Collection point for cable runs from networking devices.
  3. A system that no longer be upgraded or patched.
A
  1. Ethernet over Power
  2. Patch Panel
  3. Legacy
38
Q
  1. Special purpose microchips that are programmed to carry out specific functions.
    1. A device that allows administrators to remotely manage many devices through one dashboard interface.
  3. Sending low voltage electricity down a network cable to power devices.
A

Embedded
2. Cloud-based network controller
3. Power over Ethernet

39
Q

Network Taps// to capture the cable signals and send them to analyzing software.
2

A
  1. Passive test access point // to carry signals in and out
  2. Active Tap// regenerates the signal.
40
Q
  1. Terminates wires in a termination block.
  2. Typically come with a variety of notches for different wire gauges.
  3. Used to attach RJ-45 and RJ-11 connectors to cables.
A
  1. Punch Down Tool
  2. Wire Stripper
  3. Crimper
41
Q
  1. Designed to snip aluminum and copper wire.
  2. Measures electrical characteristics to test the integrity of circuits.
  3. Checks for **wiring shorts, faults, **and wires connected to the wrong pins.
A
  1. Wire cutter
  2. Multimeter
  3. Cable tester
42
Q
  1. to determine signal strength so that access points can be positioned for maximum coverage.
  2. to** trace the remote end of a cable** for testing and troubleshooting.
  3. Test the functionality of the **send and receive signals **on computer ports.
A
  1. Wi-Fi analyzer
  2. Tone generator and probe
  3. Loopback adapter
43
Q

Coaxial cable constructed ?

A

copper or aluminum,

44
Q

elephone communications and most Ethernet networks., protection against crosstalk, which is the noise generated by adjacent pairs of wires in the cable

A

Twisted-pair

45
Q

designed to provide better protection against EMI and RF

A

Shielded twisted-pair (STP)

46
Q

1.

  1. Uses LED emitters and popular for LANs and runs up to 550 meters.
  2. Technology used to send and receive on a single strand of fiber.
  3. Uses a laser and popular for long distance runs FONTning hundreds of kilometers.
A
  1. Multimode fiber
  2. WDM
  3. Single modw fiber
47
Q
  1. Element in a fiber optic cable through which light pulses travel.
  2. Acts like a mirror reflecting light to keep it traveling down the fiber.
A
  1. Core
  2. Cladding
48
Q

A technician has captured packets on a network that has been running slowly when accessing the internet. Which port number should the technician look for within the captured material to locate HTTP packets?

A
49
Q

What are two common media used in networks? (Choose two.)

A
50
Q

Which three Wi-Fi standards operate in the 2.4GHz range of frequencies? (Choose three.)

A

802.11b and 802.11g operate in the 2.4GHz range, and 802.11n

50
Q

A company is expanding its business to other countries. All branch offices must remain connected to corporate headquarters at all times. Which network technology is required to support this scenario?

A

WAN

51
Q

Which two protocols operate at the transport layer of the TCP/IP model? (Choose two.)

A

TCP N UDP

52
Q

Which smart home technology requires the use of a device, known as a coordinator, to create a wireless PAN?

A

The ZigBee Coordinator is a device that manages all the ZigBee client devices to create a ZigBee wireless personal-area network (PAN) using the 868 MHz to 2.4 GHz range.

53
Q

Which technology uses existing electrical wiring to connect devices to a network?

A

Ethernet over Power,

54
Q

A technician has been asked to assist with some LAN cabling. What are two standards that the technician should research before this project begins? (Choose two.)

A

T568A and T568B are wiring schemes used with Ethernet LAN cablin

55
Q

Which network device regenerates the data signal without segmenting the network?

A

hub

56
Q

Which security technology is used to passively monitor network traffic with the objective of detecting a possible attack?

A

IDS

56
Q

EEE 802.11n and 802.11ac are wireless LAN standards

A

iT FUNDE (6 decks)

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