QUESTIONS WITH ANSWERS GRADED A+
●● What are the layers of the TCP/IP Model from top to bottom?
Answer: Application, Transport, Internet and Link Layer
●● What is the address space used for loopback addressing?
Answer: 127.0.0.0 - 127.255.255.255
●● What is the address space used when a DHCP server is not available?
Answer: 169.254.0.1 - 169.254.255.255
●● What are the private IP ranges?
Answer: 10.0.0.0 - 10.255.255.255, 172.16.0.0 - 172.31.255.255,
192.168.0.0 - 192.168.255.255
●● What protocols are used in the Data Link Layer?
Answer: Ethernet, Point to Point Protocol (PPP) and ADCCP (Advanced
Data Communication Control Protocol)
●● What protocols is utilized in the Network Layer?
Answer: Internet Protocol (IP)
,●● What protocols are utilized in the Transport Layer?
Answer: UDP and TCP
●● What protocols are utilized on the Session Layer?
Answer: NetBIOS
●● What types of formats are used at the presentation layer?
Answer: XML and JPEG
●● What layer of the OSI model does encrypting and decrypting take
place?
Answer: Presentation Layer
●● What protocols are utilized at the Application Layer?
Answer: SMTP, IMAP, POP, NTP and HTTP
●● What protocols are utilized inside the Link Layer?
Answer: Ethernet
●● What layers does the Link layer correspond to in the OSI Model?
Answer: Physical and Data Link
,●● What protocols are utilized inside the Internet layer?
Answer: Internet Protocol (IP)
●● What protocols are utilized inside the Transport layer of the TCP/IP
Model??
Answer: TCP and UDP
●● What protocols are utilized within the Application Layer of the
TCP/IP model?
Answer: Telnet, Simple Network Management Protocol (SNMP),
HTML, LDAP, FTP, SSH
●● What layers of the OSI Model comprise the TCP/IP layers
Application Layer?
Answer: Session, Presentation and Application
●● What protocol is a support protocol within the TCP/IP Suite?
Answer: Internet Control Message Protocol (ICMP)
●● What range is the Class A IP Range?
Answer: 0.0.0.0-127.255.255.255
, ●● What range is the Class B IP Range?
Answer: 128.0.0.0-191.255.255.255
●● What range is the Class C IP Range?
Answer: 192.0.0.0-223.255.255.255
●● What range is the Class D IP Range?
Answer: 224.0.0.0-239.255.255.255
●● What range is the Class E IP Range?
Answer: 240.0.0.0 - 254.255.255.255
●● Name some physical network topologies.
Answer: Bus, Star, Rings, Star-Bus Hybrid, Mesh
●● What network model uses a lot of cable because you need to use
home runs back to the switch or hub?
Answer: Star
●● In general peer-to-peer networks are often?
Answer: Mesh Networks