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Which of the following statements is/are correct? 1. An address generated by the CPU is commonly referred to as a physical address. 2. An address seen by the memory unit is commonly referred to as a logical address. 3. The run-time mapping from virtual to physical address is done by the memory management unit (MMU). Select the correct answer using the code given below.
You need to allow one host to be permitted to attach dynamically to each switch interface. Which two commands must you configure on your catalyst switch to meet this policy?
1. Switch (config-if) # ip access-group 10
2. Switch (config-if) # switchport port-security maximum 1
3. Switch (config) # access-list 10 permit ip host 1
4. Switch (config-if) # switchport port-security violation shutdown
5. Switch (config) # mac-address-table secure
Which of the following command options are displayed when you use the Router# show frame-relay ? command?
1. dlci
2. neighbors
3. lmi
4. pvc
5. map
Which two statements describe the IP address 10.16.3.65/23?
1. The subnet address is 10.16.3.0 255.255.254.0.
2. The lowest host address in the subnet is 10.16.2.1 255.255.254.0.
3. The last valid host address in the subnet is 10.16.2.254 255.255.254.0.
4. The broadcast address of the subnet is 10.16.3.255 255.255.254.0.
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface?
1. show version
2. show protocols
3. show interfaces
4. show controllers
5. show ip interface
Which three commands can be used to check LAN connectivity problems on a router?
1. show interfaces
2. show ip route
3. tracert
4. ping
5. dns lookups
To enable EIGRP, which of the following would you use?
1. Router1(config-if)# ipv6 ospf 10 area 0.0.0.0
2. Router1(config-if)# ipv6 router rip 1
3. Router1(config)# ipv6 router eigrp 10
4. Router1(config-rtr)# no shutdown
5. Router1(config-if)# ipv6 eigrp 10
Which two of the following commands will place network 10.2.3.0/24 into area 0?
1. router eigrp 10
2. router ospf 10
3. network 10.0.0.0
4. network 10.2.3.0 0.0.0.255 area0
5. network 10.2.3.0 0.0.0.255 area 0
On a non-pipelined sequential processor, a program segment, which is a part of the interrupt service routine, is given to transfer 500 bytes from an I/O device to memory.     Initialize the address register     Initialize the count to 500 LOOP: Load a byte from device     Store in memory at address given by address register     Increment the address register     Decrement the count     If count! = 0 go to LOOP Assume that each statement in this program is equivalent to a machine instruction which takes one clock cycle to execute if it is a non-load/store instruction. The load-store instructions take two clock cycles to execute. The designer of the system also has an alternate approach of using the DMA controller to implement the same transfer. The DMA controller requires 20 clock cycles for initialization and other overheads. Each DMA transfer cycle takes two clock cycles to transfer one byte of data from the device to the memory. What is the approximate speedup when the DMA controller based design is used in place of the interrupt driven program based input-output?
In a class B subnet, we know the IP address of one host and the mask as given below: IP address = 125.134.112.66 Mask = 255.255.224.0 What is the first address (Network address)?