|
| 1 | A repeater is a connecting device that operates in the _______ layer of the Internet model. |
 | A) | physical |
| B) | data link |
| C) | network |
| D) | all of the above |
|
| 2 | A _______ regenerates a signal, connects segments of a LAN, and has no filtering capability. |
| A) | repeater |
| B) | bridge |
| C) | router |
| D) | none of the above |
|
| 3 | A _______ is a connecting device that operates in the physical and data link layers of the Internet model. |
| A) | repeater |
| B) | bridge |
| C) | router |
| D) | none of the above |
|
| 4 | A ________ bridge can forward and filter frames and automatically build its forwarding table. |
| A) | simple |
| B) | dual |
| C) | transparent |
| D) | none of the above |
|
| 5 | A bridge can use the _________ algorithm to create a loopless topology. |
| A) | binary tree |
| B) | spanning tree |
| C) | multiway tree |
| D) | none of the above |
|
| 6 | A _______ LAN allows several LANs to be connected. |
| A) | backbone |
| B) | wireless |
| C) | wired |
| D) | none of the above |
|
| 7 | A backbone is usually a ______. |
| A) | bus |
| B) | star |
| C) | either (a) or (b) |
| D) | neither (a) nor (b) |
|
| 8 | A virtual local area network (VLAN) is configured by _________. |
| A) | software |
| B) | physical wiring |
| C) | hardware |
| D) | none of the above |
|
| 9 | Membership in a VLAN can be based on _________. |
| A) | port numbers |
| B) | MAC addresses |
| C) | IP addresses |
| D) | all of the above |
|
| 10 | VLANs can_________. |
| A) | reduce network traffic |
| B) | provide an extra measure of security |
| C) | either (a) or (b) |
| D) | both (a) and (b) |
|
| 11 | _________ is just a connector. |
| A) | An active hub |
| B) | A passive hub |
| C) | either (a) or (b) |
| D) | neither (a) nor (b) |
|
| 12 | In a star-topology Ethernet LAN, _______ is just a point where the signals coming from different stations collide; it is the collision point. |
| A) | An active hub |
| B) | A passive hub |
| C) | either (a) or (b) |
| D) | neither (a) nor (b) |
|
| 13 | ________ is part of the media; its location in the Internet model is below the physical layer. |
| A) | An active hub |
| B) | A passive hub |
| C) | either (a) or (b) |
| D) | neither (a) nor (b) |
|
| 14 | A _______ is a device that operates only in the physical layer. |
| A) | passive hub |
| B) | repeater |
| C) | bridge |
| D) | router |
|
| 15 | A ________receives a signal and, before it becomes too weak or corrupted, regenerates the original bit pattern. It then sends the refreshed signal. |
| A) | passive hub |
| B) | repeater |
| C) | bridge |
| D) | router |
|
| 16 | A __________ forwards every frame; it has no filtering capability. |
| A) | passive hub |
| B) | repeater |
| C) | bridge |
| D) | router |
|
| 17 | ________ is actually a multiport repeater. It is normally used to create connections between stations in a physical star topology. |
| A) | An active hub |
| B) | A passive hub |
| C) | either (a) or (b) |
| D) | neither (a) nor (b) |
|
| 18 | A ________ operates in both the physical and the data link layer. |
| A) | passive hub |
| B) | repeater |
| C) | bridge |
| D) | router |
|
| 19 | A _______ can check the MAC addresses contained in the frame. |
| A) | passive hub |
| B) | repeater |
| C) | bridge |
| D) | router |
|
| 20 | A ______ has a table used in filtering decisions. |
| A) | passive hub |
| B) | repeater |
| C) | bridge |
| D) | none of the above |
|
| 21 | A ________ is a device in which the stations are completely unaware of its existence. |
| A) | passive hub |
| B) | repeater |
| C) | simple bridge |
| D) | transparent bridge |
|
| 22 | IEEE 802.1d specification, defines _________ criteria for a transparent bridges. |
| A) | two |
| B) | three |
| C) | four |
| D) | none of the above |
|
| 23 | A spanning tree is a graph in which there is no _____. |
| A) | node |
| B) | branch |
| C) | loop |
| D) | arc |
|
| 24 | In a bridged LAN, the _______ algorithm creates a topology in which each LAN can be reached from any other LAN through one path only. |
| A) | spanning tree |
| B) | binary tree |
| C) | unary tree |
| D) | none of the above |
|
| 25 | A three-layer switch is a kind of ________. |
| A) | repeater |
| B) | bridge |
| C) | router |
| D) | none of the above |
|
| 26 | A two-layer switch is a ______. |
| A) | repeater |
| B) | bridge |
| C) | router |
| D) | none of the above |
|
| 27 | Some new two-layer switches, called _______ switches, have been designed to forward the frame as soon as they check the MAC addresses in the header of the frame. |
| A) | cut-through |
| B) | go-through |
| C) | come-through |
| D) | none of the above |
|
| 28 | A _______ is a three-layer device that handles packets based on their logical addresses. |
| A) | repeater |
| B) | bridge |
| C) | router |
| D) | none of the above |
|
| 29 | A ______ normally connects LANs and WANs in the Internet and has a table that is used for making decisions about the route. |
| A) | repeater |
| B) | bridge |
| C) | router |
| D) | none of the above |
|
| 30 | A ______ switch is a faster and more sophisticated router. |
| A) | two-layer |
| B) | three-layer |
| C) | four-layer |
| D) | none of the above |
|
| 31 | A ________ is normally a computer that operates in all five layers of the Internet model or seven layers of OSI model. |
| A) | repeater |
| B) | bridge |
| C) | router |
| D) | gateway |
|
| 32 | A _____ can be used as a connecting device between two internetworks that use different models. |
| A) | repeater |
| B) | bridge |
| C) | router |
| D) | gateway |
|
| 33 | In a _____ backbone, the backbone is just one switch. |
| A) | bus |
| B) | ring |
| C) | star |
| D) | none of the above |
|
| 34 | A ________ link acts as a LAN in a remote backbone connected by remote bridges. |
| A) | point-to-point |
| B) | multipoint |
| C) | multidrop |
| D) | none of the above |
|
| 35 | VLANs create _________ domains. |
| A) | unicast |
| B) | multicast |
| C) | broadcast |
| D) | none of the above |
|
| 36 | In a(n) _______ configuration, the administrator types the port numbers, the IP addresses, or other characteristics, using the VLAN software. |
| A) | manual |
| B) | automatic |
| C) | semiautomatic |
| D) | none of the above |
|
| 37 | In a(n) _____ configuration, the stations are automatically connected or disconnected from a VLAN using criteria defined by the administrator. |
| A) | manual |
| B) | automatic |
| C) | semiautomatic |
| D) | none of the above |
|
| 38 | In a(n) ______ configuration, the initializing is done manually, with migrations done automatically. |
| A) | manual |
| B) | automatic |
| C) | semiautomatic |
| D) | none of the above |