CHAPTER 12 ROUTING IN SWITCHED NETWORKS A NSWERS TO Q UESTIONS 12.1 The average load expected over the course of the busiest hour of use during the course of a day. 12.2 The tradeoff is between efficiency and resilience. 12.3 A static routing strategy does not adapt to changing conditions on the network but uses a fixed strategy developed ahead of time. With alternate routing‚ there are a number of alternate routes between source and destination and a dynamic choice of routes is
Premium Ethernet Computer networking Computer network
Question 1 Which IEEE wireless networking protocol was ratified in 2009 and has a maximum defined data rate of 600 Mb/sec? a. 802.11a b. 802.11b c. 802.11g d. 802.11n Question 2 Within the Windows UI‚ what option will you need to select to delete a wireless network profile? a. Clear this network b. Delete this network c. Disconnect from this network d. Forget this network Question 3 Windows 8.1 has a featured called __________ that can make the process of moving between networks and connecting
Premium Wi-Fi Computer network Wireless network
OF SCIENCE AND TECHNOLOGY COLLEGE OF COMPUTER SCIENCE AND IT Master of computer science 2013 - group(B) ADVANCED NETWORKS COURSE Assignment (1) * Packet switching * Circuit switching * Virtual Circuit switching * Message switching BY: JIHAD MOHAMMED SIDDIG 27/2/2013 Packet switching in networks Packet switching is used to optimize the use of the channel capacity available in digital telecommunication networks such as computer networks‚ to minimize the transmission
Premium Computer networking
web browser; “Google”. Google has an intranet called: “Moma”. This is for the Google employees to have access to certain business related information like for payroll‚ phone numbers‚ news‚ and any contact information. The extranet network is a computer network that allows controlled information to be accessible from the outside for business or education. Extranets are not open connections a user must login and have security certificates in order to function correctly. The extranet network is less
Premium Computer network Computer networking World Wide Web
telecommunications (telephone lines and wireless signals)‚ intelligent building management systems and audio-visual systems in modern information technology. ICT consists of all technical means used to handle information and aid communication‚ including computer and network hardware‚ communication middleware as well as necessary software. In other words‚ ICT consists of IT as well as telephony‚ broadcast media‚ all types of audio and video processing and transmission and network based control and monitoring
Premium Computer network Telephone Broadcasting
Transmission Media • Transmission medium – Physical path between transmitter and receiver – May be guided (wired) or unguided (wireless) – Communication achieved by using em waves • Characteristics and quality of data transmission – Dependent on characteristics of medium and signal – Guided medium ∗ Medium is more important in setting transmission parameters – Unguided medium ∗ Bandwidth of the signal produced by transmitting antenna is important in setting transmission parameters ∗ Signal directionality
Premium Electromagnetic radiation Twisted pair Coaxial cable
store‚ retrieve‚ disseminate‚ and control their new valuable asset that is information. In the years to come‚ a good information system within a company will be no longer an option; it will become a compulsory in determining success. Upgrading the computer information system is not an option in this technology-driven era; it is a requirement. Companies that use an up-to-date information system to gather‚ assimilate‚ and evaluate internal as well as external information are gaining competitive advantage
Premium Computer network Computer Computer networking
organization. a. Intranet b. I-net c. Local Area Network d. Extranet Answer: A‚ page 7 2 - A backbone network is: a. a high speed central network that connects other networks in a distance from hundreds of feet to several miles. b. a group of personal computers or terminals located in the same general area and connected by a common cable so they can exchange information. c. a network spanning a geographical area that usually encompasses a city or county area (3 to 30 miles). d. a network covering a large
Premium OSI model Computer networking Data Link Layer
LAN Topologies IT/240 May 26‚2013 LAN Topologies Case Project I The changes in equipment that would be required to bring Old-Tech Corporation up to date and solve the shared bandwidth problem would be to change their network scheme. To go from a Star topology to and extended star topology‚ which their logical topology would be a ring. We would have to buy five wireless nic-cards to start to accommodate the cabling issue in the warehouse as well as a wireless access point and a wireless
Premium Network topology Wireless access point
Web pages ■ Simple Mail Transfer Protocol (SMTP) to allow users to send and receive electronic mail ■ File Transfer Protocol (FTP) to transfer files from one computer system to another Telnet to allow a remote user to log in to another computer system ■ Simple Network Management Protocol (SNMP) to allow the numerous elements within a computer network to be managed from a single point 7. What is the difference between a logical connection and a physical connection? Ans= In logical connection exist
Premium OSI model Ethernet Internet Protocol Suite