3 non-overlapping channels are available in IEEE 802.11b
Description : IEEE 802.11b, has a datarate of _____Mbps. A) 1 B) 2 C) 5.5 D) none of the above
Last Answer : 5.5
Description : The IEEE 802.11b, uses _________. A) FHSS B) DSSS C) OFDM D) either (a)or (b)
Last Answer : DSSS
Description : Which of the following standard committee specifies Bluetooth and other Personal Area Networks (PAN)? a) IEEE 802.11b b) IEEE 802.15 c) IEEE 802.11g d) IEEE 802.16
Last Answer : b) IEEE 802.15
Description : Which of the following is developing CCK-OFDM? a) IEEE 802.11a b) IEEE 802.11b c) IEEE 802.15.4 d) IEEE 802.11g
Last Answer : d) IEEE 802.11g
Description : Which of the following WLAN standard has been named Wi-Fi? a) IEEE 802.6 b) IEEE 802.15.4 c) DSSS IEEE 802.11b d) IEEE 802.11g
Last Answer : c) DSSS IEEE 802.11b
Description : Which of the following is the 802.11 High Rate Standard? a) IEEE 802.15 b) IEEE 802.15.4 c) IEEE 802.11g d) IEEE 802.11b
Last Answer : d) IEEE 802.11b
Description : Which of the following is not a standard of WLAN? a) HIPER-LAN b) HIPERLAN/2 c) IEEE 802.11b d) AMPS
Last Answer : d) AMPS
Description : if I swap out my 802.11b router for a newer 802.11g one, will I see a considerable speed boost of web surfing on my iPhone? The iphone is the only wifi unit in the house,.
Last Answer : Yes. 802.11g is faster then 802.11b, and not only will internet be faster, the range of your network will be extended.
Description : The IEEE 802.3 Standard defines _________ CSMA/CD as the access method for first-generation 10-Mbps Ethernet. A) 1-persistent B) p-persistent C) non-persistent D) none of the above
Last Answer : 1-persistent
Description : The IEEE 802.11 wireless LANs use ________ types of frames. A) four B) five C) six D) none of the above
Last Answer : none of the above
Description : IEEE 802.11g, has a datarate of _____Mbps. A) 1 B) 2 C) 11 D) 22
Last Answer : 22
Description : The original IEEE 802.11,has a data rate of _____Mbps. A) 1 B) 6 C) 11 D) 22
Last Answer : 1
Description : The IEEE 802.11g, uses _________. A) FHSS B) DSSS C) OFDM D) either (a)or (b)
Last Answer : OFDM
Description : The IEEE 802.11a, uses _________. A) FHSS B) DSSS C) OFDM D) either (a)or (b)
Description : The original IEEE 802.11,uses _________. A) FHSS B) DSSS C) OFDM D) either (a)or (b)
Last Answer : either (a)or (b)
Description : . In IEEE 802.11, the addressing mechanism can include upto ______addresses. A) four B) five C) six D) none of the above
Description : In IEEE 802.11, the MAC layer framehas ______ fields. A) four B) five C) six D) none of the above
Last Answer : four
Description : In IEEE 802.11, the ______ is a timerused for collision avoidance. A) NAV B) BSS C) ESS D) none of the above
Last Answer : NAV
Description : In IEEE 802.11, the access method used in the PCF sublayer is ______. A) contention B) controlled C) polling D) none of the above
Last Answer : polling
Description : In IEEE 802.11, the access method used in the DCF sublayer is _________. A) ALOHA B) CSMA/CA C) CSMA/CD D) none of the above
Last Answer : CSMA/CA
Description : The IEEE 802.11standardfor wireless LANs defines twoservices: ______and_______. A) BSS; ASS B) ESS; SSS C) BSS; ESS D) BSS; DCF
Last Answer : BSS; ESS
Description : In IEEE 802.11, when a frame isgoingfrom one AP to another AP in a wireless distribution system, the address flag is_____ A) 00 B) 01 C) 10 D) 11
Last Answer : 11
Description : In IEEE 802.11, when a frame isgoingfrom a station to an AP, theaddress flag is _____. A) 00 B) 01 C) 10 D) 11
Last Answer : 10
Description : In IEEE 802.11, when a frame is coming from an AP and going to astation, the address flag is _______. A) 00 B) 01 C) 10 D) 11
Last Answer : 01
Description : In IEEE 802.11, when a frame isgoingfrom one station in a BSS toanother without passing through thedistribution system, the address flag is _____ A) 00 B) 01 C) 10 D) 11
Last Answer : 00
Description : In IEEE 802.11, _______ isan optionalaccess method that can be implemented inan infrastructure network (not in an ad hocnetwork). A) DCF B) PCF C) either (a) or (b) D) neither (a) nor (b)
Last Answer : PCF
Description : In IEEE 802.11, astation with ________ mobility can move from one ESS toanother. A) no-transition B) BSS-transition C) ESS-transition D) none of the above
Last Answer : ESS-transition
Description : In IEEE 802.11, astation with ________mobility can move from one BSS toanother, but the movement is confined inside one ESS. A) no-transition B) BSS-transition C) ESS-transition D) none of the above
Last Answer : no-transition
Description : In IEEE 802.11, astation with ________ mobility iseither stationary (not moving) or moving only insidea BSS. A) no-transition B) BSS-transition C) ESS-transition D) none of the above
Description : . In IEEE 802.11, communication between two stations in twodifferent BSSs usually occurs viatwo ________. A) BSSs B) ESSs C) APs D) none of the above
Last Answer : APs
Description : In IEEE 802.11, a BSS with an AP is sometimes referred toas ____________. A) an ad hocarchitecture B) an infrastructurenetwork C) either (a) or (b) D) neither (a) nor (b)
Last Answer : an infrastructurenetwork
Description : In IEEE 802.11, a BSS without an AP is called an _________. A) an ad hocarchitecture B) an infrastructurenetwork C) either (a) or (b) D) neither (a) nor (b)
Last Answer : an ad hocarchitecture
Description : In IEEE 802.11, a___ is made of stationary or mobile wireless stations and anoptional central base station, known as the access point (AP). A) ESS B) BSS C) CSS D) none of the above
Last Answer : BSS
Description : IEEE hasdefined the specifications fora wireless LAN, called _______, whichcovers the physical and data link layers. A) IEEE 802.3 B) IEEE 802.5 C) IEEE 802.11 D) IEEE 802.2
Last Answer : IEEE 802.11
Description : IEEE 802.1d specification, defines _________criteria for a transparent bridges. A) two B) three C) four D) none of the above
Last Answer : three
Description : IEEE 802.3ab defines Gigabit Ethernet transmission over unshielded twisted pair (UTP) category 5, 5e or 6 cabling known as .................... a. 1000 BASE-T b. 1000 BASE-SX c. 1000 BASE-LX d. 1000 BASE-CX
Last Answer : a. 1000 BASE-T
Description : Match the following IEEE No to their corresponding Name for IEEE 802 standards for LANs. i) 802.3 a) WiFi ii) 802.11 b) WiMa iii) 802.15.1 c) Ethernet iv) 802.16 d) Bluetooth a. i-b, ii-c, iii-d, iv-a b. i-c, ii-d, iii-a, iv-b c. i-c, ii-a, iii-d, iv-b d. i-b, ii-d, iii-c, iv-a
Last Answer : c. i-c, ii-a, iii-d, iv-b
Description : Which of the following statements is TRUE about CSMA/CD a. IEEE 802.11 wireless LAN runs CSMA/CD protocol b. Ethernet is not based on CSMA/CD protocol c. CSMA/CD is not suitable for a high propagation delay network like satellite network d. There is no contention in a CSMA/CD network
Last Answer : CSMA/CD is not suitable for a high propagation delay
Description : What is the difference between the Ethernet frame preamble field and the IEEE 802.3 preamble and start of frame Delimiter fields? a. 1 byte b. 1 bit c. 4 bit d. 16 bit
Last Answer : a. 1 byte
Description : IEEE 802.3ab defines Gigabit Ethernet transmission over unshielded twisted pair (UTP) category 5, 5e or 6 cabling known as .................... A) 1000 BASE-T B) 1000 BASE-SX C) 1000 BASE-LX D) 1000 BASE-CX
Last Answer : A) 1000 BASE-T
Description : Match the following IEEE No to their corresponding Name for IEEE 802 standards for LANs. i) 802.3 a) WiFi ii) 802.11 b) WiMa iii) 802.15.1 c) Ethernet iv) 802.16 d) Bluetooth A) i-b, ii-c, iii-d, iv-a B) i-c, ii-d, iii-a, iv-b C) i-c, ii-a, iii-d, iv-b D) i-b, ii-d, iii-c, iv-a
Last Answer : C) i-c, ii-a, iii-d, iv-b
Description : Which of the following spread spectrum techniques were used in the original IEEE 802.11 standard? a) FHSS and DSSS b) THSS and FHSS c) THSS and DSSS d) Hybrid technique
Last Answer : a) FHSS and DSSS
Description : Which of the following specifies a set of media access control (MAC) and physical layer specifications for implementing WLANs? a) IEEE 802.16 b) IEEE 802.3 c) IEEE 802.11 d) IEEE 802.15
Last Answer : c) IEEE 802.11
Description : Which IEEE standard is developed for CSMA/CD a. IEEE 802.1 b. IEEE 802.2 c. IEEE 802.3 d. IEEE 802.4
Last Answer : c. IEEE 802.3
Description : Which multiple access technique is used by IEEE 802.11 standard for wireless LAN? a. ALOHA b. CSMA/CA c. CDMA d. none of the mentioned
Last Answer : b. CSMA/CA
Description : Which IEEE standards specify the technologies for wireless LANs 802.11 a. IEEE 802.11 b. IEEE 802.10 c. IEEE 279.6 d. IEEE 275.4
Last Answer : a. IEEE 802.11
Description : IEEE 802.11 standards provide data rates ______________ A. 10 Gbit/s. B. 1 Gbit/s C. 1 Mb/s to up to 6.75 Gb/s D. 250 Kb/s
Last Answer : C. 1 Mb/s to up to 6.75 Gb/s
Description : __ is a collection of standards for LR-WPANs. A. IEEE 802.3 B. IEEE 802.11 C. IEEE 802.16 D. IEEE 802.15.4
Last Answer : D. IEEE 802.15.4