With a __________ connection, data is transmitted through radio waves.

Devices on a wired network are connected by a(n) __________.

Devices on a wireless network are connected by a(n) ________.

At the physical layer, an Ethernet frame is encoded as a series of _______.

The physical layer is only concerned with wired network connections.

When a frame is encoded by the physical layer, all bits are sent over the media at the same time.

The physical layer of the receiving device passes bits up to which higher level layer?

What PDU is received by the physical layer for encoding and transmission?

What is a primary role of the Physical layer in transmitting data on the network?

The TCP/IP standards are implemented in software and are governed by the _________.

_____________ is a method of converting a stream of data bits into a predefined “code”.

The way that bits are represented on the medium is called the _________ method.

_______________ is the capacity at which a medium can carry data.

Bandwidth is another word for the speed at which bits travel.

Digital ____________ measures the amount of data that can flow from one place to another in a given amount of time.

________________ refers to the amount of time, including delays, for data to travel from one given point to another.

_______________ is the measure of the transfer of bits across the media over a given period of time.

Order the following measures in order from least to greatest.

What OSI physical layer term describes the capacity at which a medium can carry data

______________ is the measure of usable data transferred over a given period of time.

What OSI physical layer term describes the physical medium which uses electrical pulses?

What OSI physical layer term describes the physical medium which uses light pulses?

____________ is the most common type of cabling used in networks today.

Data is transmitted on copper cables as _________________.

Data is transmitted on fiber-optic cables as _______________.

Signal ____________ refers to the deterioration of a signal as it travels over a large distance.

______________ is a disturbance caused by the electric or magnetic fields of a signal on one wire to the signal in an adjacent wire

In UTP and STP cables, wire pairs are twisted together. This helps prevent ________.

Which type(s) of cable use(s) an RJ-45 connector?

How does the price of STP cable compare with UTP cable?

The shielding in STP is designed to protect the signal against __________.

Coaxial cable is commonly used in which situations?

Which of the following attaches antennas to wireless devices?

Which of the following counters EMI and RFI by using shielding techniques and special connectors?

Which of the following is the most common network media?

Which of the following terminates with BNC, N type and F type connectors?

When used in a networking medium, UTP cabling consists of __________ pairs of color-coded copper wires.

Category 5 UTP cable supports data transmission rates of up to _________.

Category 5e UTP cable supports data transmission rates of up to _________.

Category 6 UTP cable supports data transmission rates up to

Category 7 UTP cable supports data transmission rates of up to _________.

Category 8 UTP cable supports data transmission rates of up to _________.

The figure illustrates an RJ-45 UTP __________.

The figure illustrates an RJ-45 _________.

With legacy network equipment, an Ethernet straight-through cable is commonly used to connect _______________.

With legacy network equipment, an Ethernet crossover cable is commonly used to connect _______________.

With legacy network equipment, a rollover cable is commonly used to connect _______________.

What standards are used to terminate an Ethernet straight-through cable?

What standards are used to terminate an Ethernet crossover cable?

What standards are used to terminate an Ethernet rollover cable?

What is the correct order of the odd-numbered pinouts for the T568A standard?

What is the correct order of the odd-numbered pinouts for the T568B standard?

What is the correct order of pins 1, 2, 3, and 6 in the T568A standard?

What is the correct order of pins 1, 2, 3, and 6 in the T568B standard?

_______ consists of a very small core and uses expensive laser technology to send a single ray of light

_______ consists of a larger core and uses LED emitters to send light pulses.

__________ is popular in long-distance situations spanning hundreds of kilometers, such as those required in long haul telephony and cable TV applications.

With __________ light from an LED enters the fiber at different angles, as shown in the figure.

_________ is popular in LANs because they can be powered by low-cost LEDs.

__________ provides bandwidth up to 10 Gb/s over link lengths of up to 550 meters.

__________ refers to the spreading out of a light pulse over time.

MMF has ____________ dispersion compared with SMF.

MMF can only travel up to _______ meters before signal loss.

10. MMF has ______ glass core compared with SMF.

Which of the following is typically used for backbone cabling applications and interconnecting infrastructure devices?

Which of the following is typically used for submarine cable networks?

________ fiber-optic connectors are sometimes referred to as square connector or standard connector. They are a widely-adopted LAN and WAN connector that uses a push-pull mechanism to ensure positive insertion.

________ fiber-optic cable connectors were one of the first connector types used. The connector locks securely with a “Twist-on/twist-off” bayonet-style mechanism.

________ fiber-optic connectors are a smaller version of the SC connector. These are sometimes called little or local connectors and are quickly growing in popularity due to their smaller size.

A __________ fiber-optic connector is similar to a LC simplex connector but uses a duplex connector.

Which image illustrates an ST connector for a fiber-optic cable?

Which image illustrates an SC connector for a fiber-optic cable?

Which image illustrates a simplex LC connector for a fiber-optic cable?

Which image illustrates a duplex LC connector for a fiber-optic cable?

Which color(s) is/are used for a single-mode fiber patch cable?

Which color(s) is/are used for a multimode fiber patch cable?

The cable in the figure is a _____________ fiber optic patch cable.

The cable in the figure is a _____________ fiber optic patch cable.

The cable in the figure is a _____________ fiber optic patch cable.

The cable in the figure is a _____________ fiber optic patch cable.

____________ media carry electromagnetic signals that represent the binary digits of data communications using radio or microwave frequencies.

_________ is now the primary way users connect to home and enterprise networks.

In _________ communication, only one device can send/receive at a time.

In _________ communication, multiple devices can send/receive at the same time time.

What is the IEEE standard number for Bluetooth?

What is the IEEE standard number for WiMax?

What is the IEEE standard number for Zigbee?

What is the IEEE standard number for Wi-Fi?

Which wireless standard is used in a wireless local area network (WLAN)?

Which wireless standard is used in a wireless personal area network (WPAN)?

Which wireless standard uses a point-to-multipoint topology to provide wireless broadband access?

Which wireless standard is typically used for industrial and Internet of Things (IoT) environments such as wireless light switches and medical device data collection?

Which wireless standard uses a device pairing process to communicate over distances from 1 to 100 meters?

Which network device concentrates the wireless signals from users and connect to the existing copper-based network infrastructure, such as Ethernet?

Which network device provides wireless communication capability to network hosts?

Wireless is not well suited for enterprise networks.

Wireless LANs operate in full-duplex mode.

As the number of users of a wireless network grows, what is the impact on performance?

Which of the following wireless standards is best suited for industrial and IoT environments?

Which of the following wireless standards is used for Personal Area Networks (PANs)?

A wireless LAN is being deployed inside the new one room office that is occupied by the park ranger. The office is located at the highest part of the national park. After network testing is complete, the technicians report that the wireless LAN signal is occasionally affected by some type of interference. What is a possible cause of the signal distortion?

Which standards organization oversees development of wireless LAN standards?

Which two devices commonly affect wireless networks? (Choose two.)

Which of the following situations is appropriate for wireless network media?

Which of the following situations is appropriate for wireless network media?