A) Encrypting messages. B) Increasing bandwidth. C) Sending and receiving data between devices. D) Preventing data loss
A) They clean corrupted data. B) They define rules for data exchange and ensure integrity C) They compress files. D) They allocate IP addresses.
A) Physical B) Transport C) Data link D) network
A) Network B) Data link C) Network D) Physical
A) HTTP B) Ethernet C) TCP D) IP
A) 6 B) 4 C) 7 D) 5
A) 4 B) 7 C) 5 D) 6
A) Application and Presentation B) Network and Transport. C) Application and Transpor. D) Data Link and Physical
A) Adding headers/trailers to data B) Deleting packets. C) Deleting packets. D) Data encryption
A) Physical B) Session C) Data Link D) Network
A) Session B) Data link C) Network D) Physical
A) MAC hearders and trailers B) Protocol identifiers. C) IP addresses D) Port numbers.
A) Check connectivity. B) Translate domain names. C) Resolve IP to MAC adddresses. D) Assign IP addresses
A) ARP Reques. B) ICMP Echo C) Ping Request D) DNS Query
A) Hardware failure. B) DNS attack. C) Man-in-the-middle attack. D) Software update.
A) ipconfig B) arp C) netstat D) ping
A) Configuring firewalls B) Assigning IP addresses C) Determining paths for data D) Time Exceeded
A) Static Routing B) Dynamic Routing C) ) Manual Routing D) Physical Routing
A) DHCP B) RIP C) BGP D) OSPF
A) MAC addresses B) DNS records C) Destination networks and next hops D) Encrypted passwords
A) Assigns static routes B) Forwards traffic to external networks C) It converts MAC to IP D) Encrypts data
A) ) Reserved multicast. B) Private IPv4 address. C) Loopback address D) Public IPv6 address
A) 32 B) 64 C) 8 D) 128
A) 127.0.0.1 B) 10.0.0.1 C) 0.0.0.0 D) 192.168.0.1
A) Class C B) Class A C) Class B D) Class D
A) /28 B) /26 C) /27 D) /24
A) 8 B) 62 C) 16 D) 32
A) B) 192.168.1.62 B) B) 192.168.1.61 C) B) 192.168.1.64 D) 192.168.1.63
A) ) Same subnet size everywhere B) Encryption by subnet C) Port translation D) Different subnet sizes in the same network
A) /28 B) /30 C) /27 D) /24
A) 32 B) 48 C) 64 D) 128
A) Hexadecimal B) Binary C) Decimal D) Octal
A) 192.168.1.1 B) 10.0.0.1 C) 2001:db8::1 D) 127.0.0.1
A) Sometimes B) No, uses prefix notation C) Only for private ips D) Yes
A) Ping B) ipconfig / ifconfig C) netstat D) tracert
A) Display ARP cache B) Display ARP table C) Trace MAC addresses D) Show routing table
A) Check MAC addresses B) Encrypt packets C) Resolve DNS D) Trace the path to a destination.
A) Network B) Application C) Session D) Transport
A) FTP B) ICMP C) SMTP D) TCP
A) Data link B) Network C) Physical only D) Transport
A) Provide end-to-end communication. B) Format data C) Provide IP addresses D) Encrypt data
A) Hub B) Router C) Switch D) Firewall
A) Computer/Host B) Repeater C) Hub D) Switch
A) TCP B) HTTP C) Routing Protocols like OSPF D) FTP
A) IP range increases. B) Fewer subnets. C) Data is lost. D) More subnets. fewer hosts per subnet.
A) Class D B) Class A C) Class B D) Class C
A) 2 B) 4 C) 3 D) 5
A) Netcat B) Wireshark C) PuTTY D) Packet Tracer |