(Choose two answers.) a,c 4. A PC NIC and a switch port create one electrical circuit to use when sending data from the PC to the switch. The transmitter uses a simple encoding scheme that uses a higher amplitude to encode 1 and a lower amplitude to encode 0, sending 1 bit in each bit time. The bit rate is 2000 bits per second (2000 bps).
Figure 2 shows a circuit with a resistor R = 1.0 × 103 Ω, and a battery with potential difference of VB = 5.0V . (a) Solve the circuit in Figure 2. That is, find all unknown currents, voltages, and resistances. (b) What is the direction of the current? Note: I want the direction of the conventional current.
11. Cable Toner12. Continuity Tester- an item of electrical test equipment used to determine if an electrical path can be established between two points; that is if an electrical circuit can be made 13. Category 5e/6 cable- is a standardized cable for Gigabit Ethernet and other network physical layers that is backward compatible with the Category 5/5e and Category 3 cable standards 14. Binder Groups- Cable pairs are typically arranged under the cable sheath in binder groups 15.
Suppose you connect a battery to a small light bulb with a single wire. What do you think will happen? Explain your answer. _________________________________________________________________________ _________________________________________________________________________
Bit time - the time it takes for one bit to be ejected from a Network Interface Card at a standard speed. Encoding scheme - used by computers to represent data as characters. unshielded twisted-pair (UTP) - Copper wiring used in small-to-large networks to connect host devices to hubs and switches. Core - the central part of an optical fiber that provides the transmission region for an optical signal. Cladding - A layer of optical glass surrounding the light-carrying core of an optical fiber.
Take sample of Zinc Iodide and dissolve in solution. Then, take the battery, with exposed wire tips attached, and place the tips into the solution. In about 1-2 minutes, there should be a red-brown color coming out of one of the wires, and a dark substance depositing on the other wire, these should iodine and zinc respectively. 2. What are the identities of the substances found after electrolysis and heating?
1. List and describe the events that take place during the boot process. · Switching power button on, turns the power supply on and gets to the required voltage level, then the fan switches on and everything else starts powering up. · The Central processor unit (CPU) initializes itself, triggered by a series of clock ticks generated by the system clock, then look to the system's ROM BIOS for its first instruction in the startup program. · The ROM BIOS stores the first instruction, which is the instruction to run the power-on self-test (POST).
Which of the following answers best describes how a hard disk drive physically writes a binary 0 or 1?C. changing the disk’s surface 12. Which of the following answers are true about an internal hard disk drive (HDD) as it is normally used inside a personal computer (choose 2) B. used for long-term memory, D. connects to the CPU over a bus using a cable
As a network manager, I would assign the IP addresses to various subnets by associating a subnet base address with each physical network. Then I would sequentially assign hosts particular IP addresses within the subnet. Determining host addresses is really quite simple, once we know the subnet address. You should be able to substitute the numbers for the host ID bits in the subnet address. Then convert the address to decimal form.
In telecom closet 2, from the punch down block, to the switches, to the wall plates, and on to the offices workstation, plus one shared printer, cabling will change to Cat 5e UTP, using 1000 Base-T technology, achieving a throughput of 1000Mbps. A safety feature on Ethernet Lans, is its access method, CSMA/CD. CSMA/CD, means that your NIC checks the network to make sure it is not busy before transmitting, if two nodes do transmit at the same time having a collision, it will send out packets to inform other nodes of a data collision, then the NIC waits for the network to be inactive before retransmitting. On the