35351. Which of the following is separated by a subnet mask?
35352. The signal to noise ratio for a voice grade line is 30.1 dB (decibels) or a power ratio of 1023:1. The maximum achievable data rate on this line whose spectrum ranges from 300 Hz to 4300 Hz is
35353. TCP is:
35354. An encyclopedic database
35355. De Morgan’s Law says:
35356. The dialogue techniques for terminal use do not include
35357. You have a network ID of 192.168.10.0 and require at least 25 host IDs for each subnet, with the largest amount of subnets available. Which subnet mask should you assign?
35358. The encoding method specified in the EIA-232 standard is _____.
35359. Examples are packet switching using frame relay, and cell switching using ATM technologies. Select the best fit for answer:
35360. The physical layer, in reference to the OSI model, defines
35361. A required characteristic of an online real-time system is:
35362. How many class A, B, and C network IDs can exist?
35363. The transmission signal coding method of TI carrier is called
35364. Which of the following is/are the features of an Asynchronous counter?
35365. You are working with a network that has the network ID 192.168.10.0 and require nine subsets for your company and the maximum number of hosts. What subnet mask should you use?
35366. Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?
35367. HDLC (High-level Data Link Control) is
35368. You are working with a network that has the network ID 192.168.10.0. What subnet should you use that supports four subnets and a maximum number of hosts?
35369. Establishing a virtual connection is functionally equivalent to
35370. The first step in troubleshooting many problems is to verify which of the following?
35371. You are working with a network that is 172.16.0.0 and would like to have the maximum number of hosts per subnet. This assumes support for eight subnets. What subnet mask should you use?
35372. Which of the following files is used for NetBIOS name resolution?
35373. What protocol is used between E-Mail servers?
35374. If you configure the TCP/IP address and other TCP/IP parameters manually, you can always verify the configuration through which of the following? Select the best answer.
35375. In a PC to telephone hookup for long distance communication, modem is connected between the telephone line and
35376. Which of the following communications service provides message preparation and transmission facilities?
35377. Four bits are used for packet sequence numbering in a sliding window protocol used in a computer network. What is the maximum window size?
35378. Which one of the following is fully CORRECT regarding 8085 microprocessor?
35379. Which of the following device copies electrical signals from one Ethernet to another?
35380. Stephanie is in charge of a small network and wants to make it simple but secure. The users want to have full control over their data and still be able to share data with the rest of the office. The networking knowledge of the office staff is basic. Which network(s) would be the best for Stephanie to set up?
35381. When UPC is used, the price of the item is located
35382. Error control is needed at the transport layer because of potential errors occurring _____.
35383. The transport layer protocol is connectionless.
35384. The fundamental requirements of private-to-public network interconnection methods which need to be provided in gateways is/are
35385. Communication between computers is almost always
35386. Which of the following is considered a broadband communications channel?
35387. Data link layer retransmits the damaged frames in most networks. If the probability of a frame's being damaged is p, what is the mean number of transmissions required to send a frame if acknowledgements are never lost.
35388. Which of the following characteristics is not true of NetBEUI?
35389. The difference between a multiplexer and a statistical multiplexer is
35390. You are trying to decide which type of network you will use at your office, and you want the type that will provide communication and avoid collisions on the cable. Which of the following is the best choice?
35391. Which of the following network access standard is used for connecting stations to a packet-switched network?
35392. Interconnected networks need communication processors such as switches, routers, hubs, and gateways. Select the best fit for answer:
35393. A decrease in magnitude of current, voltage, a power of a signal in transmission between points, is known as
35394. The term "remote job entry" relates to
35395. Which of the following performs modulation and demodulation?
35396. Data communications monitors available on the software market include
35397. Which among the following is TRUE about an 8086 microprocessor?
35398. What is the default subnet mask for a class A network?
35399. When using the loopback address, if TCP/IP is installed correctly, when should you receive a response?
35400. The excess-3 code corresponding to decimal number 156 is: