1. Using IP address to transport packets 2. Using MAC address to transport packets 3. Using rules to screen incoming and outgoing packets 4. Do not use source or destination addresses to transport packets 5. Always used for internet transportation of packets 6. Broadcast to all devices when transport packets for internal networks Choices: Hubs Switches Firewalls Routers
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Select the correct statements with regard to packet filters of a firewall: (i) They are usually driven by a table with information in regards to acceptable sources and destinations. (ii) Default rules about what needs to be done in regards to packets coming from or going to other machines. (iii) Can block TCP ports. (A) (i), (ii) (B) (ii), (iii) (C) (i), (iii) (D) (i), (ii), (iii)
NETWORKS, INFORMATION SYSTEMS, SOFTWARE ENGINEERING AND WEB TECHNOLOGY
NETWORK SECURITY
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Use the following scenario to answer the 10 questions below. You have 3 networks (A, B, and C) and 2 routers (Y and Z). Network A has an address space of 10.1.1.0/24 and is connected to router Y using the interface 10.1.1.1. Network B has an address space of 192.168.1.0/24 and is connected to router Y using the interface 192.168.1.254. Network C has an address space of 172.16.1.0/24 and is connected to router Z using the interface 172.16.1.1. The diagram below represents these connections and interfaces. Router Y Network A Interface: 10.1.1.1 Network B interface: 192.168.1.254 Router Z Network B interface: 192.168.1.1 Network C interface: 172.16.1.1 1. Computer 1 on network B with IP address 192.168.1.233 wants to send a packet to Computer 2 with IP address 10.1.1.205. On which network is computer 2? Network C Network A Network B Not present
Akash M.
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