Q#1: Remote logging allows a user to:
(A) Send emails
(B) Access a remote computer
(C) Transfer files only
(D) Manage DNS
Answer: (B) Access a remote computer
Q#2: TELNET is used for:
(A) File transfer
(B) Remote login
(C) Email sending
(D) Web browsing
Answer: (B) Remote login
Q#3: TELNET operates at which layer?
(A) Transport
(B) Network
(C) Application
(D) Data Link
Answer: (C) Application
Q#4: The default port number for TELNET is:
(A) 21
(B) 23
(C) 25
(D) 80
Answer: (B) 23
Q#5: SSH is preferred over TELNET because it provides:
(A) Faster speed
(B) Encryption
(C) Larger packets
(D) Broadcasting
Answer: (B) Encryption
Q#6: SSH stands for:
(A) Secure Shell
(B) System Secure Host
(C) Server Shell Host
(D) Secure System Hub
Answer: (A) Secure Shell
Q#7: The default port for SSH is:
(A) 20
(B) 21
(C) 22
(D) 23
Answer: (C) 22
Q#8: Electronic mail uses which protocol to send messages?
(A) POP3
(B) IMAP
(C) SMTP
(D) FTP
Answer: (C) SMTP
Q#9: SMTP stands for:
(A) Simple Mail Transfer Protocol
(B) Secure Mail Transfer Process
(C) System Mail Transport Protocol
(D) Simple Message Transfer Process
Answer: (A) Simple Mail Transfer Protocol
Q#10: SMTP typically uses port number:
(A) 21
(B) 23
(C) 25
(D) 110
Answer: (C) 25
Q#11: POP3 is used for:
(A) Sending mail
(B) Receiving mail
(C) Routing mail
(D) Encrypting mail
Answer: (B) Receiving mail
Q#12: POP3 stands for:
(A) Post Office Protocol version 3
(B) Public Office Protocol
(C) Private Online Protocol
(D) Post Online Process
Answer: (A) Post Office Protocol version 3
Q#13: IMAP stands for:
(A) Internet Mail Access Protocol
(B) Internal Mail Access Process
(C) Internet Message Access Program
(D) Integrated Mail Access Protocol
Answer: (A) Internet Mail Access Protocol
Q#14: IMAP allows users to:
(A) Delete mail permanently
(B) Access mail on server
(C) Send files only
(D) Encrypt DNS
Answer: (B) Access mail on server
Q#15: Default port number for POP3 is:
(A) 25
(B) 53
(C) 110
(D) 143
Answer: (C) 110
Q#16: Default port number for IMAP is:
(A) 110
(B) 143
(C) 25
(D) 80
Answer: (B) 143
Q#17: FTP stands for:
(A) File Transfer Protocol
(B) Fast Transfer Process
(C) File Transmission Program
(D) Fast Transmission Protocol
Answer: (A) File Transfer Protocol
Q#18: FTP uses which ports by default?
(A) 20 and 21
(B) 22 and 23
(C) 25 and 110
(D) 53 and 80
Answer: (A) 20 and 21
Q#19: FTP operates at which layer?
(A) Network
(B) Transport
(C) Application
(D) Physical
Answer: (C) Application
Q#20: FTP uses which protocol at transport layer?
(A) UDP
(B) TCP
(C) ICMP
(D) ARP
Answer: (B) TCP
Q#21: Anonymous FTP allows users to:
(A) Log in without password
(B) Log in with public access
(C) Encrypt files
(D) Route packets
Answer: (B) Log in with public access
Q#22: TFTP stands for:
(A) Tiny File Transfer Protocol
(B) Trusted File Transfer Process
(C) Transfer File Transmission Protocol
(D) Temporary File Transfer Protocol
Answer: (A) Tiny File Transfer Protocol
Q#23: TFTP uses which protocol?
(A) TCP
(B) UDP
(C) ICMP
(D) ARP
Answer: (B) UDP
Q#24: TFTP is simpler than FTP because it:
(A) Uses encryption
(B) Has fewer features
(C) Uses more ports
(D) Uses TCP
Answer: (B) Has fewer features
Q#25: Email message consists of:
(A) Header only
(B) Body only
(C) Header and body
(D) Footer only
Answer: (C) Header and body
Q#26: The “To” field in email specifies:
(A) Sender
(B) Receiver
(C) Subject
(D) Attachment
Answer: (B) Receiver
Q#27: The “From” field indicates:
(A) Receiver
(B) Sender
(C) Port number
(D) IP address
Answer: (B) Sender
Q#28: MIME is used in email to:
(A) Encrypt messages
(B) Support multimedia attachments
(C) Route packets
(D) Compress data
Answer: (B) Support multimedia attachments
Q#29: MIME stands for:
(A) Multipurpose Internet Mail Extensions
(B) Multiple Internal Mail Exchange
(C) Mail Internet Message Extension
(D) Multipurpose Internal Mail Engine
Answer: (A) Multipurpose Internet Mail Extensions
Q#30: FTP control connection uses port:
(A) 20
(B) 21
(C) 22
(D) 23
Answer: (B) 21
Q#31: FTP data connection uses port:
(A) 20
(B) 21
(C) 22
(D) 25
Answer: (A) 20
Q#32: Secure version of FTP is:
(A) TFTP
(B) SFTP
(C) POP3
(D) SMTP
Answer: (B) SFTP
Q#33: SFTP works over:
(A) TELNET
(B) SSH
(C) SMTP
(D) HTTP
Answer: (B) SSH
Q#34: TELNET sends data in:
(A) Encrypted form
(B) Plain text
(C) Binary only
(D) Compressed form
Answer: (B) Plain text
Q#35: Remote login requires:
(A) IP address of remote host
(B) MAC address only
(C) Port number only
(D) Switch ID
Answer: (A) IP address of remote host
Q#36: SMTP is mainly used between:
(A) Client and server
(B) Server to server
(C) Router to router
(D) Switch to switch
Answer: (B) Server to server
Q#37: POP3 downloads email to:
(A) Server
(B) Client device
(C) Router
(D) Switch
Answer: (B) Client device
Q#38: IMAP keeps emails on:
(A) Client only
(B) Server
(C) Router
(D) Switch
Answer: (B) Server
Q#39: FTP supports:
(A) File upload and download
(B) Email only
(C) Remote routing
(D) DNS mapping
Answer: (A) File upload and download
Q#40: TFTP is commonly used for:
(A) Large file transfer
(B) Booting devices
(C) Sending emails
(D) Web browsing
Answer: (B) Booting devices
Q#41: Which protocol is more secure for remote login?
(A) TELNET
(B) SSH
(C) FTP
(D) SMTP
Answer: (B) SSH
Q#42: Email transfer over internet uses:
(A) HTTP
(B) SMTP
(C) FTP
(D) ARP
Answer: (B) SMTP
Q#43: FTP requires how many connections?
(A) One
(B) Two
(C) Three
(D) Four
Answer: (B) Two
Q#44: POP3 and IMAP are used for:
(A) Sending email
(B) Receiving email
(C) Routing packets
(D) Encrypting data
Answer: (B) Receiving email
Q#45: Which protocol supports multimedia email?
(A) FTP
(B) MIME
(C) TELNET
(D) DNS
Answer: (B) MIME
Q#46: TELNET is considered insecure because it:
(A) Uses UDP
(B) Sends passwords in plain text
(C) Uses port 23
(D) Uses TCP
Answer: (B) Sends passwords in plain text
Q#47: SMTP command used to start mail transaction is:
(A) HELO
(B) GET
(C) POST
(D) PUT
Answer: (A) HELO
Q#48: Email transfer between servers follows:
(A) Client-server model
(B) Peer-to-peer model
(C) Server-to-server model
(D) Ring model
Answer: (C) Server-to-server model
Q#49: File transfer protocols are mainly used to:
(A) Access websites
(B) Send messages
(C) Transfer files
(D) Route packets
Answer: (C) Transfer files
Q#50: Remote logging, email, and file transfer protocols belong to:
(A) Network layer
(B) Transport layer
(C) Application layer
(D) Data Link layer
Answer: (C) Application layer