Mari 100.51 Section A Choose any one answer from the given options 1. Which of the following is not one of the actions taken in the operation of CSMA/CD) when a collision occurs? A. A jam signal informe all devices that a collision occurred. B. The collision invokes a random backoff algorithm on the wystems involved in the collision Each device on the themet segment stop transmitting for a short time until their backoff timers expire D. All hosts have equal priority to transmit after the timers have expired. 2. What is the sub network Address of a host with an IP address of 192.168.65.120/28? A. 192.168.65.32 B. 192.168.65.64 C 192.168.65.0 D. 192.168.65.128 3. In Cisco Hierarchal Model Access layer is also called A. Domain Layer B. Workgroup Layer C Application Layer D. Desktop Layer 4. Which mask should you use on point-to-point WAN links in order to reduce the waste of IP addresses? A. /27 B./28 D. /30 5. Hexa Decimal of the decimal number 149.111.220.90 is A. AC.10.15.38 B. FO.D 2.0A.5A C. 95.6F.DC5A D. AC.10.AE.36 C./29 6. Default Subnet mask of class C is A. 255.255.0.0 B. 255.0.0.0 C. 255.255.255.0 D. 255.255.255.128 7. The cable used to connect the router to PC is A. Crossover B. Rollover C. Straight-through D. Full-duplex CNET-435/Exam 1/1440-1441/Semester Second