Chapter’s 5,6,&7 Flashcards
What twisted pair connectors are commonly used with telephone wire?
RJ-11
Coaxial
FC
RJ-45
RJ-11
Which of the following network connectivity devices operates at Layer 2 of the OSI model?
Switch
Cable
Hub
Router
Switch
Using the T568B wiring standard on both ends of a cable would produce what type of network cable?
T568B on both ends is not a working network cable.
T568B on both ends is a crossover network cable.
T568B on both ends is a straight-through network cable.
T568B is a telephone wiring standard.
568B on both ends is a straight-through network cable.
You have a desktop computer that is behaving erratically on the network. The wired connection will often disconnect without warning. Which tool should you use to troubleshoot the network adapter?
Loopback plug
Tone generator and probe
Cable tester
Multimeter
Loopback plug
What is the maximum distance you can run UTP cable?
185 meters
100 meters
85 meters
10 meters
100 meters
You are installing an 802.11n Wi-Fi network with five wireless access points. The access points are set up so their ranges overlap each other. To avoid communications issues, what principle should you follow when configuring them?
Configure all access points to use the same channel.
Configure all access points to use nonoverlapping channels.
Channel configuration will not cause communications issues.
Configure all access points to use adjacent channels.
Configure all access points to use adjacent channels.
You’re looking at a connector that has eight wires with colors in the order of green stripe, green, orange stripe, blue, blue stripe, orange, brown stripe, brown. What type of cable do you have?
Twisted pair, T568B standard
SC
Twisted pair, T568A standard
LC
Twisted pair, T568A standard
What type of cable is immune to electromagnetic or radio-frequency interference?
Broadband coaxial cabling
Fiber-optic cabling
CSMA/CD
Twisted-pair cabling
Fiber-optic cabling
What devices transfer packets across multiple networks and use tables to store network addresses to determine the best destination?
Bridges
Switches
Routers
Hubs
Routers
Which type of IPv6 address identifies a single node on the network?
Unicast
Multicast
Localcast
Anycast
Unicast
Global Internet IPv6 addresses will look like which of the following examples?
FF00::/8
::1/128
FE80::/10
2000::/3
2000::/3
You are using your laptop on the company network. In your web browser, you type www.google.com and press Enter. The computer will not find Google. You open the browser on your phone, and using your cellular connection, you can open Google without a problem. Your laptop finds internal servers and can print without any issues. What is the most likely reason you can’t open Google?
Missing subnet mask
Duplicate IP address
DHCP server problem
DNS server problem
DNS server problem
What type of network is used to create secure point-to-point WAN connections?
IPv6
VLAN
VPN
IPv4
VPN
Which of the following IPv4 addresses on your computer could indicate that it was unable to contact the DHCP server on the network?
169.254.1.150
172.16.1.150
192.168.1.150
168.192.1.150
169.254.1.150
Which TCP/IP Internet layer protocol is responsible for delivering error messages if communication between two computers fails?
UDP
ICMP
IP
TCP
ICMP
Which of the following operates on port 23?
HTTPS
FTP
Telnet
HTTP
Telnet
Which TCP/IP protocol is used to provide shared access to files and printers on the network?
FTP
SMTP
SMB
SSH
SMB
Which type of server gives host computers IP configuration information?
IP configuration server
DHCP
Domain controller
DNS
DHCP
Which of the following addresses is a nonroutable IPv4 address?
192.169.32.1
172.28.193.1
18.172.32.1
168.192.32.1
172.28.193.1
Which wireless encryption standard uses AES?
WPA2
TKIP
WEP
WPA
WPA2
What type of network cable would you need to complete a connection of 20 kilometers between sites?
Single-mode fiber
UTP Cat-6a
Stranded fiber
Multi-mode fiber
Single-mode fiber
Which Wi-Fi standard is the fastest, operating in both the 2.4 and 5 GHz frequencies?
802.11a
802.11ax
802.11n
802.11ac
802.11ax
You configured an 802.11g network with three overlapping WAPs. What channels should they be set to?
3, 6, 9
1, 6, 11
2, 5, 8
All set to the same channel
1, 6, 11
Which device is needed with a fiber-based home Internet connection?
WISP
ONT
Cable modem
DSL modem
ONT
What is the lowest grade of cable required to run 100BaseT?
Multimode fiber
UTP Cat 5
UTP Cat 3
UTP Cat 5e
UTP Cat 5
Which of the following Internet connection types offers the fastest download speeds?
Satellite
Fiber-optic
DSL
Cable
Fiber-optic
Which of the following wireless IEEE standards operates exclusively in the 2.4GHz radio frequency?
802.11d
802.11n
802.11b
802.11a
802.11b
Which of the following Ethernet standards uses multi-mode fiber with a maximum length of 300 meters?
10GBaseER
10GBaseLR
10GbaseSR
10GbaseSR
When setting up a new network client, which security protocol is recommended?
WPA
WISP
WEP
WPA3
WPA3
