9 The global authority for assigning Internet addresses is (2 Points) TEEEE FCC ICANN None of the answers are correct 10 In multiple access protocol, channel is not divided which might allow collisions to happen. (2 points) Random Channel partitioning Taking turns None of these 11 The data-link layer is exisit in (2 points) Network Interface Card Routers Servers Gateways 12 In routing protocols, each router knows the entire network topology to every router and interconnection. (2 points) Link-state Distance-vector Both distance-vector and link-state Neither distance-vector nor link-state 14 In IEEE WiFi standard, the number of MAC addresses that can be included in the frame is up to (2 points) TWO Three Foor None of the answers are correct 15 in the The application layer of the Internet Protocol Stack is equivalent to OSI model (2 Points) Application layer Session layer Presentation layer All of the answers 17 In IEEE 802.3 standard, 3 represents: (1 Point) WiFi Ethernet Token ring Bluetooth 18 protocol is an example of a link-state routing protocol. (2 Points) RIP BGP OSPF IBGP 19 layer is responsibile of transferring data from one node to next to node over a link. (2 points) Data-link Transport Routing Application 20 5 In WiFi, BSS with an access point (AP) called (2 Points) Infrastructure network O Ad hoc network Either infrastructure or ad hoc networks Neither infrastructure or ad hoc networks 21 and Inter-AS routing is Intra-AS routing is (2 Points) In same AS: between different Ases Between different ASes: in same AS In same AS: in same AS Between different ASes: between different ASes