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Power Point And U Certify > Chapt 8 > Flashcards

Chapt 8 Flashcards

1
Q

which ports are used by the file transfer protocol (FTP)?

A

20, 21

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2
Q

when setting up a wireless connection on a mobile device, what is the step after turning on WiFi?

A

locate the SSID

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3
Q

when setting up a wireless connection on a mobile device, what is the step after locating the SSID?

A

enter the wireless password

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4
Q

when setting up a wireless connection on a mobile device, what is the step after entering the wireless password?

A

verify internet connectivity

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5
Q

what are the two most popular broadband connection types?

A

cable modems and DSL

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6
Q

what is most secure: wired, wireless or cellular?

A

wired

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7
Q

which gives the greatest mobility: wired, wireless or cellular?

A

cellular

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8
Q

what two TCP/IP configuration parameters are required to communicate on a network?

A

IP address and subnet mask

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9
Q

if your TCP/IP client wants to get on the internet, which optional configuration parameter is required?

A

default gateway

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10
Q

which TCP/IP service automatically configures clients with an IP address?

A

DHCP

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11
Q

which TCP/IP service resolves host names to IP addresses?

A

dns

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12
Q

the ________ service lets computers with private IP addresses get on the internet.

A

NAT

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13
Q

which wireless security protocol is the most secure?

A

WPA2

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14
Q

other than enabling WPA2, WPA, or WEP, what two wireless network security options can you use?

A

disable SSID broadcasts and enable mac filtering

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15
Q

to configure a wireless router you should change the ______ and ________ passwords.

A

network(wireless) and admin

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16
Q

when configuring a wireless router, what shouuld you do to the SSID?

A

change it from the default

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17
Q

when configuring a wireless router, what should you upgrade at the end of the process?

A

firmware

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18
Q

_______ is the feature that configures your computer with an IP address in the 169.254 range if it can’t find a DHCP server.

A

APIPA

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19
Q

the current fastest WiFi standard is _________.

A

802.11ac

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20
Q

________ IP addresses cannot participate on the internet.

A

private

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21
Q

the unique hardware address assigned to your network adapter is called the ?

A

mac address

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22
Q

what are three network storage types?

A

NAS, cloud, and file server

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23
Q

what is the name of the logical computer address used by routers to make decisions on where to send packets?

A

IP address

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24
Q

what are the two network protocols used to access the internet?

A

HTTP 80, HTTPS 443

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25
Q

which network protocols are used to download email?

A

POP3 and IMAP

26
Q

which network protocol is used to upload email?

A

SMTP

27
Q

which networking device is used to connect a computer using telephone lines?

A

modem

28
Q

which networking device connects networks to each other?

A

router

29
Q

which networking device is a security barrier?

A

firewall

30
Q

which networking device is used to connect computers together in a LAN

A

switch

31
Q

which networking device is used on wireless networks to connect workstations to the network?

A

access point

32
Q

theft of hardware is an example of what type of security concern?

A

availability

33
Q

which of the following connectivity options gives you the best mobility?

broadband, wired, wireless, cellular

A

cellular

34
Q

you are configuring a computer to participate on a network. which of the following are mandatory. choose two:

DHCP server, subnet mast, IP address, default gateway

A

subnet mast, IP address

35
Q

what command would you use on a mac to determine your TCP/IP configuration information?

tcpipconfig, ifconfig, ipconfig, ipinfo

A

ifconfig

36
Q

you are helping a friend who is opening a small tax firm. she needs to set up an office network for five users. her office will need internet access, and because she is dealing with confidential info, security is a big concern. when connecting client computers to the network, what password do they need to enter?

7ygH$2p*, tpg$2019, no password, Tx$pr4y2

A

Tx$pr4y2

37
Q

which security option should you choose to make the network the most secure?

WPA2, WPA, WEP, NAT

A

wpa2

38
Q

you log onto your computer, cant access internet. you run ipconfig and see that your IP address is 169.254.18.53. what is the most likely cause of the problem?

DHCP server down, DNS server down, incorrect gateway, NAT server down

A

DHCP server down

39
Q

which of the following connectivity options gives you the best mobility?

broadband, wired, wireless, cellular

A

cellular

40
Q

of your internal network connection options, which one can provide the fastest speeds?

802.11n, infrared, fiber, UTP

A

fiber

41
Q

you need to setup a wireless network. which standard will give you the highest speed?

802.11n, 802.11g, 802.11ac, 802.11a

A

802.11ac

42
Q

you need to disable the guest network. you try to login, but your password does not work. after several attempts, you realize you forgot your password. what can you do?

a) hold the reset button for 30 sec to reset the router
b) use the default pass of admin
c) unplug and plugin router
d) use the password reset option in your router config utility

A

a) hold the reset button for 30 sec to reset the router

43
Q

you move to a remote mountain cabin. you need an internet connection. what is the most likely option that will work for you?

cable internet, DSL, satilite, dial-up

A

satilite

44
Q

definition of an SSID?

a) a wireless network security protocol
b) a wireless network name
c) a wireless network authentication method
d) a wireless network security password

A

b) a wireless network name

45
Q

peter works as a network tech in an ISP company. he is visiting one of the company’s customer’s houses to config a wireless router. which of the following are the critical steps he must perform to successfully accomplish the given task? choose two:

change the SSID, enable DHCP, configure the firewall, change the admin password

A

change the SSID, change the admin password

46
Q

which one of the following is considered a private IP address?

19.21.68.100
168.192.100.101
192.168.100.101
172.15.100.101

A

192.168.100.101

47
Q

you are connecting to an email server to download email. which of the following protocols is your computer most likely using. choose two:

POP3, HTTPS, IMAP, SMTP

A

POP3, IMAP

48
Q

your friend asks you which router feature provides for guaranteed bandwidth? what do you tell her?

DNS, QoS, Firewall, DHCP

A

QoS

49
Q

you are configuring a wireless router to let clients get on the internet while using private IP addresses. in this scenario, which of the following services do you need to make sure is enabled on the router?

NAT, DNS, DHCP, APIPA

A

NAT

50
Q

which one of these connection types has the longest delay?

cellular, wireless, infrared, wired

A

cellular

51
Q

your friend needs to set up an internet connection. which of the following options will give her the best speed? choose two.

cellular, cable internet, DSL, satilite

A

cable internet, DSL

52
Q

which one of the following types of network connections can give you the highest data transfer rates?

T1, DSL, ISDN, Cellular

A

DSL

53
Q

you’re helping a friend open a tax firm, she needs to set up an office network for 5 users. her office will need internet access, she’s also dealing with confidential info, so security is a big concern. she wants the tax prep agents to be able to let clients connect their wireless devices to the network. how should the password be and which password should she tell the agents to give to clients?

a) no pass
b) pass should be your date of birth
c) password should be challenging but not overly so Ex tpg$2019
d) pass should not be challenging and not overly so. Ex yourname

A

c) password should be challenging but not overly so Ex tpg$2019

54
Q

you’re configuring a computer to participate on a network that will connect to the internet. which of the following are mandatory? choose all that apply.

A) subnet mask
B) DNS server
C) DHCP server
D) default gateway
E) IP address

A

subnet mask, default gateway, IP address

for network communications on a TCP/IP network, an IP address and subnet mask are required. if you want to communicate outside your network, a default gateway is also required.

55
Q

which of the following statements are true about WPA? choose 2.

A) it uses a 128bit dynamic per packet key.
B) it is a protocol based on the Advanced Encryption Standard (AES) security algorithm
C) it encrypts data to provide data security
D) it is a standard that was the first to implement Temporal Key Integral Protocol

A

A, D

128bit dynamic per packet key
first to implement TKIP

56
Q

you open your web browser and type in Google.com, but your computer can not find the website. your neighbor’s computer finds it just fine. what is most likely the cause?

A) incorrect DNS configuration
B) the website is down
C) incorrect WPA2 configuration
D) incorrect DHCP configuration

A

incorrect DNS config

DNS servers resolve host names to IP addresses. it’s possible that your computer has the wrong address for the DNS server.

57
Q

which one of the following types of network connections can give you the highest data transfer rates?

A) ISDN
B) cellular
C) T1
D) DSL

A

DSL = about 50Mbps

58
Q

five critical steps to setting up a secured wireless router:

A

1 change the router’s SSID
2 change the admin username and pass
3 enable WPA2 personal with AES encryption
4 choose a high quality security passphrase
5 from the clients, select WPA2 and then enter the security passphrase to connect

59
Q

which of the following statements are true of WAN? choose 3.

A) it requires the use of a router to deliver packets to the destination
B) in this, dedicated connection is used to provide much faster broadband options
C) in this, devices are connected to each other with switches, hubs and access points
D) it is spread across multiple geographical areas

A

A, B, D

incorrect C. in LAN devices are connected to each other with switches, hubs, and access points.

60
Q

which of the following devices reduces overhead and thus improves performance because there is essentially a virtual connection between sender and receiver?

A) router
B) firewall
C) modem
D) switch

A

switch

router - connects multiple network types to each other. uses routing tables to store network addresses and route packets based on the best path available.

firewalls - filter inbound and outbound network traffic based on rules defined by the admin (ACL)

61
Q

which internet connection type is an inexpensive broadband internet access method with wide availability?

A) DSL
B) cable
C) radio frequency
D) fiber optic

A

cable - max speed of up to 50 Mbps. broadband internet with wide availability.

incorrect DSL - max speed of up to 30Mbps. shares existing phone wires with voice service.

incorrect Fiber-Optic - max speed of 1 Gbps, incredibly fast and expensive

62
Q

which of the following TCP/IP protocols is located ot the process/application layer?

A) ethernet
B) ICMP
C) UDP
D) SMTP

A

SMTP - located at the process/application layer of the DoD model

Ethernet - located at the network layer
ICMP - located at the internet layer
UDP - located at the host-to-host layer

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