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1. What does SMB stand for in networking?
   a. Simple Messaging Bus
   b. Server Message Block
   c. Single Mode Bridge
   d. Secure Mail Base
   Answer: b. Server Message Blocktechtarget+2
2. Which of the following is the primary function of SMB?
   a. Encrypting email
   b. Sharing files and printers over a network
   c. Routing IP packets
   d. Generating network traffic reports
   Answer: b. Sharing files and printers over a networklenovo+2
3. Which layer of the OSI model does SMB operate at?
   a. Physical
   b. Data Link
   c. Application
   d. Network
   Answer: c. Applicationwikipedia+2
4. Which of these operating systems natively supports SMB?
   a. Windows
   b. Linux
   c. macOS
   d. All of the above
   Answer: d. All of the abovelearn.microsoft+2
5. What is the default TCP/IP port used by modern SMB versions?
   a. 21
   b. 80
   c. 139
   d. 445
   Answer: d. 445hackviser+2
6. SMB was originally developed by which company?
   a. Microsoft
   b. IBM
   c. Apple
   d. Novell
   Answer: b. IBMtechtarget+1
7. Which protocol does SMB most commonly rely upon for transport?
   a. FTP
   b. UDP
   c. TCP
   d. ICMP
   Answer: c. TCPionos+2
8. What protocol is sometimes considered a dialect or extension of SMB?
   a. HTTP
   b. SSH
   c. CIFS
   d. SMTP
   Answer: c. CIFSitarian+1
9. Which of these is not a feature of SMB?
   a. File sharing
   b. Printer sharing
   c. Email relaying
   d. Inter-process communication
   Answer: c. Email relayinghelpdesk+2
10. In SMB networking, what is a “share”?
    a. A file system
    b. A network interface
    c. A resource made available over SMB
    d. An access control method
    Answer: c. A resource made available over SMBionos+1
11. Which SMB port was primarily used by older, NetBIOS-based implementations?
    a. 21
    b. 25
    c. 139
    d. 445
    Answer: c. 139wikipedia+1
12. What method does SMB use for secure authentication in Windows domain environments?
    a. Telnet
    b. Kerberos
    c. OAuth
    d. LDAP only
    Answer: b. Kerberoslearn.microsoft+1
13. For smaller, peer-to-peer Windows workgroups, what authentication protocol does SMB typically use?
    a. Kerberos
    b. NTLM
    c. RADIUS
    d. OpenID
    Answer: b. NTLMwikipedia+1
14. Which Windows services are primarily responsible for implementing SMB?
    a. LanmanServer and LanmanWorkstation
    b. Winlogon and Explorer
    c. DHCP Client and Server
    d. PrintSpooler and Task Host
    Answer: a. LanmanServer and LanmanWorkstationwikipedia
15. Which command in Linux can be used to access SMB shares?
    a. ftp
    b. smbclient
    c. ssh
    d. httpd
    Answer: b. smbclienthackviser
16. Which best describes a client-server relationship in SMB?
    a. Both systems send data at the same time
    b. The client requests resources and the server provides them
    c. Only the server can initiate connections
    d. Data flows in one direction only
    Answer: b. The client requests resources and the server provides themlenovo+1
17. What is opportunistic locking (OpLock) in SMB?
    a. Prevents file sharing
    b. Speeds up file access by client-side caching
    c. Encrypts SMB traffic
    d. Restricts print access
    Answer: b. Speeds up file access by client-side cachinghelpdesk
18. What type of SMB message packet is used to connect or disconnect from shared server resources?
    a. File access packet
    b. Session control packet
    c. Broadcast packet
    d. Tree connect packet
    Answer: b. Session control packetlearn.microsoft
19. What does SMB “signing” provide?
    a. Data compression
    b. Message integrity and authenticity
    c. Automatic printer mapping
    d. Network load balancing
    Answer: b. Message integrity and authenticitylearn.microsoft+1
20. Which of these is NOT a function of SMB?
    a. File and record locking
    b. Directory change notification
    c. TCP packet routing
    d. Extended file attribute handling
    Answer: c. TCP packet routinglearn.microsoft
21. Which port must sometimes be open on firewalls for SMB traffic in Active Directory environments?
    a. 110
    b. 23
    c. 445
    d. 53
    Answer: c. 445securityscorecard+1
22. Which Linux command can enumerate SMB shares on a target?
    a. ifconfig
    b. smbclient -L
    c. mkdir
    d. mount
    Answer: b. smbclient -Lhackviser
23. Which protocol is preferred for secure SMB authentication starting with Windows 2000?
    a. NTLMv1
    b. Kerberos
    c. PAP
    d. CHAP
    Answer: b. Kerberoswikipedia
24. What is a common use case for mapping a network drive with SMB?
    a. Assigning a web server’s public IP
    b. Connecting a removable USB device
    c. Accessing remote files as a drive letter
    d. Setting DHCP reservations
    Answer: c. Accessing remote files as a drive letterlenovo
25. What port does SMB use for direct hosting without NetBIOS?
    a. 139
    b. 445
    c. 3389
    d. 22
    Answer: b. 445wikipedia
26. In Windows, what does enabling SMB1 protocol expose systems to?
    a. Increased encryption
    b. Modern authentication
    c. Security vulnerabilities
    d. Two-factor authentication
    Answer: c. Security vulnerabilitieslearn.microsoft+1
27. What is necessary before SMB can transmit files over the network?
    a. Establishment of a session connection
    b. DHCP lease renewal
    c. DNS zone transfer
    d. TCP packet fragmentation
    Answer: a. Establishment of a session connectionhelpdesk+1
28. When SMB “batching” is used, what is achieved?
    a. Single-packet encryption
    b. Transport of multiple messages in one transmission
    c. Blocking all client access
    d. Port blocking
    Answer: b. Transport of multiple messages in one transmissionlearn.microsoft
29. What feature helps reduce network traffic by storing files locally in SMB?
    a. Print server
    b. Opportunistic locking
    c. SMB signing
    d. ARP caching
    Answer: b. Opportunistic lockinghelpdesk
30. Which organization maintains the technical reference for CIFS?
    a. Apple
    b. Microsoft
    c. IBM
    d. Linux Foundation
    Answer: b. Microsoftlearn.microsoft
31. Which Windows settings can control whether SMB signing is required?
    a. Group Policy
    b. DHCP settings
    c. DNS forwarders
    d. ARP cache
    Answer: a. Group Policylearn.microsoft
32. Which of the following tools can enumerate SMB users and shares on a network?
    a. enum4linux
    b. wget
    c. traceroute
    d. curl
    Answer: a. enum4linuxhackviser
33. What happens if SMB signing is required but not supported by the client?
    a. The connection continues without signing
    b. The connection is refused
    c. Files are encrypted
    d. Only printing is allowed
    Answer: b. The connection is refusedlearn.microsoft+1
34. The process where SMB negotiates which protocol version to use is called:
    a. Resolution
    b. Dialect negotiation
    c. Batch transmission
    d. File locking
    Answer: b. Dialect negotiationlearn.microsoft
35. In a Microsoft environment, what security improvements does SMB 3.x provide over earlier versions?
    a. Automatic proxy setup
    b. End-to-end encryption
    c. External firewall access
    d. Print service only
    Answer: b. End-to-end encryptionlearn.microsoft
36. What is a potential risk of leaving SMB v1 enabled on a network?
    a. Enhanced throughput
    b. Compatibility with legacy devices
    c. Exposure to ransomware attacks
    d. Increased DNS resolution
    Answer: c. Exposure to ransomware attacksitarian+1
37. If a client wants to print over the network using SMB, it must:
    a. Add a new DNS record
    b. Send a SMB request to the server hosting the printer
    c. Compress the print job
    d. Use IPX/SPX protocol
    Answer: b. Send a SMB request to the server hosting the printerlenovo+1
38. How does SMB achieve file sharing between devices?
    a. Using broadcast addresses only
    b. By establishing a client-server session over the network
    c. By assigning static routes
    d. Configuring NAT
    Answer: b. By establishing a client-server session over the networktechtarget+2
39. Which command can check for SMB version supported on a target?
    a. nmap –script smb-protocols
    b. ping
    c. arp-scan
    d. dig
    Answer: a. nmap –script smb-protocolshackviser
40. SMB is most commonly associated with which type of network?
    a. Local Area Network (LAN)
    b. Wide Area Network (WAN)
    c. Cellular Network
    d. Satellite Network
    Answer: a. Local Area Network (LAN)ionos+1
41. Which is NOT a typical SMB dialect?
    a. SMB 1
    b. SMB 2
    c. SMB 3
    d. HTTP/2
    Answer: d. HTTP/2learn.microsoft+1
42. SMB notification about changes in files or directories is known as:
    a. Polling
    b. Change notification
    c. Packet sniffing
    d. Multicast messaging
    Answer: b. Change notificationlearn.microsoft
43. Which is a benefit of SMB 3.x over older versions?
    a. Less secure authentication
    b. Lacks encryption
    c. Supports larger file transfers and encryption
    d. Only works on Windows XP
    Answer: c. Supports larger file transfers and encryptionlearn.microsoft
44. To access remote files via SMB from macOS, one can:
    a. Use Wi-Fi Direct
    b. Use Finder’s “Connect to Server”
    c. Enable Bluetooth tethering
    d. Install IIS
    Answer: b. Use Finder’s “Connect to Server”itarian+1
45. When SMB “batching” is implemented, network performance is:
    a. Decreased due to overhead
    b. Unaffected
    c. Increased by grouping requests
    d. Limited to one request at a time
    Answer: c. Increased by grouping requestslearn.microsoft
46. What is the primary security concern with SMB public shares?
    a. Excessive print jobs
    b. Unauthorized access to sensitive data
    c. Increased disk space
    d. Network timeouts
    Answer: b. Unauthorized access to sensitive datasecurityscorecard+1
47. What does “SMB Direct” add to the SMB 3.0 protocol suite?
    a. Web interface
    b. RDMA support for high-performance networking
    c. IPv6 only support
    d. SSH encryption
    Answer: b. RDMA support for high-performance networkinglearn.microsoft
48. A characteristic of SMB traffic is that it is typically:
    a. Real-time and latency-sensitive
    b. Broadcast-only
    c. Session-based and stateful
    d. Stateless
    Answer: c. Session-based and statefultechtarget+2
49. Which of these actions is not possible through SMB?
    a. Rename remote files
    b. Execute remote code on server
    c. Share printers
    d. Read metadata of files
    Answer: b. Execute remote code on servertechtarget+2
50. Which network protocol can be compared to SMB for Unix/Linux filesharing?
    a. SMTP
    b. NFS
    c. SNMP
    d. BGP
    Answer: b. NFSsciencedirect+1

1. https://www.techtarget.com/searchnetworking/definition/Server-Message-Block-Protocol
2. https://en.wikipedia.org/wiki/Server_Message_Block
3. https://www.lenovo.com/in/en/glossary/server-message-block/
4. https://www.ionos.com/digitalguide/server/know-how/server-message-block-smb/
5. https://www.sciencedirect.com/topics/computer-science/server-message-block
6. https://hackers-arise.com/network-basics-for-hackers-server-message-block-smb-and-samba/
7. https://learn.microsoft.com/en-us/windows/win32/fileio/microsoft-smb-protocol-and-cifs-protocol-overview
8. https://www.itarian.com/blog/what-is-smb/
9. https://hackviser.com/tactics/pentesting/services/smb
10. https://www.helpdesk.com/blog/sbm-meaning/
11. https://learn.microsoft.com/en-us/troubleshoot/windows-server/networking/overview-server-message-block-signing
12. https://securityscorecard.com/blog/the-essential-guide-to-smb-port-configuration-for-enhanced-network-security/
13. https://learn.microsoft.com/en-us/windows-server/storage/file-server/file-server-smb-overview
14. https://www.geeksforgeeks.org/computer-networks/network-file-system-nfs-vs-server-message-block-smb/
15. https://www.cisco.com/c/en_in/solutions/small-business/resource-center/networking/networking-basics.html
16. https://www.cisco.com/c/en/us/solutions/small-business/resource-center/connect-employees-offices/networking-basics.html
17. https://www.komprise.com/glossary_terms/smb-format-server-message-block/
18. https://www.scribd.com/document/328819539/SMB-University-120307-Networking-Fundamentals
19. https://www.geeksforgeeks.org/computer-networks/computer-network-tutorials/
20. https://www.hackingarticles.in/smb-penetration-testing-port-445/