Networking Fundamentals

(Y/N) 802.11ac is backward compatible with 802.11a/b/g/n.

Yes

(Y/N) A switch floods ports if it does not know where to send a packet.

Yes

(Y/N) A switch sends unicast packets to one destination port only.

Yes

(Y/N) FE80::2AA:FF:FE28:9C5A is a valid IPv6 address.

Yes

(Y/N) HTTP, TELNET, FTP, and SMTP operate on Layer 7 of the OSI model.

Yes

(Y/N) HTTP, TELNET, FTP, and SMTP protocols operate on layer 7 of the OSI model.

Yes

(Y/N) Layer 3 of the OSI model defines how traffic is routed between network devices.

Yes

(Y/N) Layer 4 of the OSI model defines how connections between applications are established, managed, and terminated.

Yes

(Y/N) The maximum bandwidth for 802.11ac is 1.3 Gbps.

Yes

Network client computers running windows 8.1 and windows 10 are configured to receive IPv4 addresses through DHCP. the DHCP server fails. (Y/N) Clients will continue to use their addresses after the lease period until a DHCP server becomes available.

Yes

Network client computers running windows 8.1 and windows 10 are configured to receive IPv4 addresses through DHCP. the DHCP server fails. (Y/N) Clients will continue to use their addresses throughout the lease period

Yes

A layer 2 device that connects multiple computers within a network is:

a switch

Which of the following uses pointer records and A records?

DNS server

Your network is configured as several routed subnets. You review a network traffic report for the 192.168.14.0/24 network and find several packets addressed to 192.168.14.255. This is an example of A MULTICAST address. Review the capitalized text. If it makes the statement correct select "No change is needed." if the statement is incorrect, select the answer choice that makes the statement correct.

A broadcast

Private, public, or multicast: 224.0.0.0 - 239.255.255.255

multicast

Your home computer is having problems accessing the internet You suspect that your internet router's DHCP service is not functioning, so you check your computer's IP address Which address indicates that your router's DHCP service is NOT functioning

169.254.1.15

Port for FTP

21

Which of these addresses is a multicast address? 224.0.0.1 127.0.0.1 192.168.0.1 169.254.0.1

224.0.0.1

Port for SMTP

25

Port for HTTPS

443

When a client's DHCP issued address expires, the client will:

Attempt to renew the lease on the address

An Ethernet 1000Base T network is wired as a physical star using switches. What is the logical topology?

Bus

For which two reasons should you use IPsec between computers? Choose two.

Data confidentiality; Data integrity

Which represents the internet protocol version 6 (IPv6) loopback address? FF00::127 ::1 :: FE80::127

FE80::127

Which metric does RIP use to determine the least costly route?

Hop count

What are two characteristics of wired ethernet network topology? choose two.

It is typically employed using twisted pair or fiber optic media; It Can negotiate different transmission speeds

Which service masks internal IP addresses from outside the network?

NAT

An ICMP ping message is sent at the APPLICATION layer of the OSI model. Review the capitalized text. If it makes the statement correct, select "No change is needed." if the statement is incorrect, select the answer choice that makes the statement correct.

Network

(Y/N) 12DA::02AA:::FF:FE28:9C5A is a valid IPv6 address.

No

(Y/N) A switch sends broadcast packets to the uplink port only.

No

Network client computers running windows 8.1 and windows 10 are configured to receive IPv4 addresses through DHCP. the DHCP server fails. (Y/N) Clients will attempt to renew address leases when they are halfway through the lease period

No

All devices on your company network connect to the same network switch. This is an example of a PHYSICAL STAR topology. Review the capitalized text. If it makes the statement correct, select "No change is needed." if the statement is incorrect, select the answer choice that makes the statement correct.

No Change is Needed

All devices on your company network connect to the same network switch. This is an example of a physical STAR topology.

No Change is Needed

Which network device interconnects computers in a workgroup, is able to be remotely configured and provides the best throughput?

Router

You need to run four ethernet network drops on your company's manufacturing floor. Each drop is approximately 125 feet/ 46 meters. Each drop passes near heavy manufacturing equipment. You need to ensure that interface is reduced. Which cable should you use?

STP cat5e

A university has network links between various locations. Where would a T3 connection be appropriate?

Server to network in the main campus room

What is the advantage of STP cable over UTP cable?

Stp cable is less susceptible to EMI and other interference then UTP

What are the two characteristics of switches? Choose two

Switches are capable of sending and receiving data at the same time; Switches identify the intended destination of the data that they receive

(Y/N) 21DA:D3:0:2F3B:2AA:FF:FE28:9C5A is a valid IPv6 unicast address.

Yes

(Y/N) 802.11ac WAPs support simultaneous transmissions on the 2.4 GHz frequency bands.

Yes

Which uses a network access method based on detecting collisions between nodes?

Token Ring

Which access method is used in a physical ring topology?

Token passing

What is the purpose of a Media Access Control (Mac) address?

Uniquely identify a physical network device

What wireless encryption is most susceptible to interception and decryption?

WEP

Private, public, or multicast: 127.0.0.0 - 127.255.255.255

private

Private, public, or multicast: 192.168.0.0 - 192.168.255.255

public

Each hop in the traceroute is a

switch