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A host sends a packet to another host containing seven single networks along the way. How many other hosts will there be along the route when Host A transmits?

1

A host sends a packet to another host containing six single networks along the way. How many routes are included in this transmission? Selected Answer: 1Correct Answer: 1

1

A host sends a packet to another host with six single networks along the way. How many packets are involved in this transmission?

1

If the signal strength from an omnidirectional radio source is 100 mW at 10 meters, how strong will it be at 30 meters, ignoring absorptive attenuation?

11 MW

If there are 10 routers between the source and destination hosts, how may internet processes will be involved on all devices

12

When Host A wishes to talk with Host B, the DHCP server provides the IP address of ________

HOST a

From a security perspective, the Internet's ability to give access to nearly everyone is a ________.

bad thing

Individual throughput for users of an access point _____

both A and B

An IP packet may include a(n) ________.

both a and b

Hosts on the Internet have ________ addresses.

both a and b

The transport layer on the destination host ________.

both a and b

The IETF primarily ________

creates Internet standards

Which is NOT in an IP packet?

data Link header

The final router in a route sends the packet being routed in a frame addressed to the _______

destination host

The transport process always fragments the application message.

false

A wireless host sends a packet to a server on the company's wired Ethernet LAN via an access point. How many frames will be involved in this one-way transmission?

2

If there are 10 routers between the source and destination hosts, how many transport processes will be involved on all devices?

2

A host sends a packet to another host containing six single networks along the way. How many data links are used for this transmission?

6

If a signal has a strength of 100 mW at 10 meters, how strong will it be at 40 meters?

6mw

Which of the following works in the 60 GHz unlicensed service band?

802.11ad

An FM radio station is called Moldy Oldies 101.1. The 101.1 refers to its

Channel

Which of the following is an Internet supervisory protocol?

DNS

Wi-Fi uses ________ addresses.

EUI-48

If two products both comply with 802.11 ac, their performance will always be similar.

False

Internet communication that does not involve a human is referred to with the term ________.

IOT

Source and destination IP addresses are found in the ________ header.

IP

If you triple channel bandwidth, what happens to the number of channels in a service band?

It is reduced a third.

In a point-to-point single network, there is always the same number of physical and data links.

True

Many 802.11 standards work in the 5 GHz_____.

Unlicensed service bands

If a signal has a strength of 100 mW at 10 meters, how strong will it be at 100 meters?

about 1 mW

What propagation problem is especially bad in moist air?

absorptive attenuation

Two access points that operate on the same channel will ________.

interfere

The downside of unlicensed bands is potential _______

interference from others

When a receiver transmits an ACK

it must transmit immediately

When a source host sends a packet to a destination host, there will probably be ________ along the way.

more data links

Spread spectrum transmission is used in WLANs for ________.

more reliable transmission

The 60 GHz unlicensed service band offers ________ compared to lower-frequency service bands.

more speed per channel

The most serious problem with wireless transmission in WLANs is ________

multipath interference

A packet sent from one host to another over the Internet will ALWAYS pass through ________.

none of the above

In Wi-Fi, 2.4 GHz and 5 GHz refer to ________.

none of the above

The set of frequencies used for police communication in a city are ________.

none of the above

Router forwarding is called ________.

routing

In CSMA/CD+ACK, when a wireless NIC wishes to transmit, it listens for traffic. If there is traffic, it waits. When the traffic stops, it may transmit immediately.

sometimes true

Signals in a transmission usually _

spread over a range of frequencies

Access points in the same ESS communicate via ________.

the distribution system

If an 802.11n client tries to use an 802.11ac access point,

they will communicate using 802.11n

In a single switched network with seven switches between a source and destination host, the source host addresses the frame ________

to the destination host

Mimi__

transmits multiple signals in the same channel

The network stack implements the ________ layer process.

transport

When does it make sense to use RTS/CTS?

when not all of the devices can hear each other


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