Network Ch.5

Multimode fiber contains a core that is larger than a single mode fiber core.

A continuity tester should not be used on a live network segment.

In order to achieve 1000Base-T over CAT5e cable, 2 pairs of copper are needed.

The ST and SC fiber connectors are the most commonly found connectors due to their smaller sizes.

A time domain reflectometer sends a signal and analyzes the return signal's change in amplitude to determine where cable imperfections may exist.

Latency on data networks is based on a calculation of a packet's round trip time (RTT).

RG-59 is more expensive than RG-6, but has better resistance to attenuation.

A short circuit is one where needed connections are missing, such as when a wire breaks.

What is the minimum category of UTP cable required in order to support Gigabit speeds?

What is the maximum supported throughput of a CAT6 cable?

PoE+ devices are defined by what IEEE standard?

Both 10GBase-ER and 10GBase-EW have what maximum distance limitation on a segment of single mode fiber?

Which statement accurately describes what near end crosstalk (NEXT) is?

What multiplexing technology lowers cost by spacing frequency bands wider apart to allow for cheaper transceiver equipment?

A junior administrator is having issues connecting to a router's console port using a TIA/EIA 568B standard cable and a USB serial to RJ-45 adapter, despite verifying terminal settings. What is the issue?

Noise that can degrade or distort a signal on a network is measured with what unit?

What statement describes a transmission flaw that is occurring due to attenuation?

Utilizing time slots that are adjusted according to priority and need is an example of what type of multiplexing on copper lines?

In a coaxial cabling, what does the RG rating measure?

A Fast Ethernet connection utilizes what pins on an RJ-45 plug?

What is the fastest Ethernet standard that can possibly be used on twisted-pair cabling?

Which of the following statements about fiber-optic cabling is accurate?

What is the industry standard angle for an Angle Polished Connector (APC)?

You've been handed a fiber with a 1.25-mm ferrule that requires a connector. What is the most commonly used connector for this ferrule size?

Which of the following statements correctly describes the SFP+ transceiver?

What kind of tool can you use to measure voltage on a cable length?

When viewing the pinout for T568B, what is the correct order of wire colors, starting at pin 1?

What statement regarding the Power Over Ethernet standards is inaccurate?

Bidirectional transceivers utilize what technology to separate the data in each direction?

Signals that can travel in only one direction on a medium are referred to as what type of signal?

What statement correctly describes "jitter"?

Broadband cable Internet service and cable TV are most commonly delivered over long distances via what type of cable?

What is the increment of the subnets for 172.16.0.0 /24?

How many usable hosts are in each of the subnets that can be created using 150.50.200.0 with a subnet mask of /30?

How are data streams identified in DWDM?

A laptop has an IP address of 10.6.10.68/28. What is the IP address of the network that this laptop is on?

You are working with a wireless device with IP address 10.6.3.65/23. Which subnet mask is this network using?

A network administrator is revising his network adding another router. He will have a link that goes directly from this new router to his existing router. If the administrator usually does a good job of not wasting IP addresses, what would you expect him to use for a subnet mask on this point-to-point link?

The network administrator only provided you with the IP address on one side of a WAN link - 192.168.45.14/30. What is the address on the other end of the link?

If you have a device that received a default gateway address of 192.168.192.10/29 during the DHCP process, what is the broadcast IP address on this device's subnet?