What are the two most common transport layer protocols?
UDP
TCP
IPX
ARP
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Which OSI layer handles physical addresses and network topology? A.) Presentation B.) Physical C.) Transport D.) Application E.) Data-Link F.) Network
On which bas ospf take decision?
How does the cut-through switching technique work? A.) By using broadcast address as source addresses B.) The switch waits only for the header to be received before it checks the destination address and starts forwarding the packets C.) The LAN switch copies the entire frame into its onboard buffers and then looks up the destination address in its forwarding, or switching, table and determines the outgoing interface D.) By using a Class I repeater in a collision domain
Your network uses a Class C address of 210.10.10.0. You must now split up the network into separate shores to handle multiple buildings separated by routers. Which two steps must you take to determine the proper shored mask for your networks? (Choose two) A. determine the number of seperate networks required B. determine how many devices will require DHCP addressing C. determine the maximum number of hosts that will be on each shored D. determine the miniumum number of hosts that will be on each shored E. determine which router will be the IP default gateway for each shored
Explain what is 5-4-3 rule?
Which command allows a user to see previous commands? A.) show command B.) CTRL-P C.) show history D.) CTRL-U E.) Up Arrow F.) SHIFT-CTRL-6
Why ESP Transport mode is not compatible with NAT????? Though New IP Header in Tunnel mode & Original IP Header in Transport mode are out of Authentication & Encryption.
How we ping ICMP a NIC with a correct IP address but with wrong MAC address Do all NIC's can run inpromiscuous mode
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What is a characteristic of Store and Forward switches? A.) They forward the frame before it is completely read. B.) They work at wire speed. C.) They are the same a Cut-Through switching. D.) They read the entire frame and check CRC before forwarding. E.) They decrease latency.
Which layer defines the physical topology? A.) Application B.) Transport C.) Network D.) Data Link E.) Physical F.) Session
Identify 2 PPP characteristics? A.) Is proprietary to Cisco B.) Supports authentication C.) Support compression D.) Run on a multi-access network