Networking Basics problems
- 1. What are the two main types of access control lists (ACLs)?
- Standard
- IEEE
- Extended
- Specialized
Options- A. 1 and 3
- B. 2 and 4
- C. 3 and 4
- D. 1 and 2 Discuss
Correct Answer: 1 and 3
Explanation:
Standard and extended access control lists (ACLs) are used to configure security on a router.
- 2. What PPP protocol provides dynamic addressing, authentication, and multilink?
Options- A. NCP
- B. HDLC
- C. LCP
- D. X.25 Discuss
Correct Answer: LCP
Explanation:
Link Control Protocol in the PPP stack provides dynamic addressing, authentication, and multilink.
- 3. Which of the following commands will allow you to set your Telnet password on a Cisco router?
Options- A. line telnet 0 4
- B. line aux 0 4
- C. line vty 0 4
- D. line con 0 Discuss
Correct Answer: line vty 0 4
Explanation:
The command
line vty 0 4 places you in a prompt that will allow you to set or change your Telnet password.
- 4. What protocol does PPP use to identify the Network layer protocol?
Options- A. NCP
- B. ISDN
- C. HDLC
- D. LCP Discuss
Correct Answer: NCP
Explanation:
Network Control Protocol is used to help identify the Network layer protocol used in the packet.
- 5. How long is an IPv6 address?
Options- A. 32 bits
- B. 128 bytes
- C. 64 bits
- D. 128 bits Discuss
Correct Answer: 128 bits
Explanation:
An IPv6 address is 128 bits long.
- 6. Which protocol does Ping use?
Options- A. TCP
- B. ARP
- C. ICMP
- D. BootP Discuss
Correct Answer: ICMP
Explanation:
ICMP is the protocol at the Network layer that is used to send echo requests and replies.
- 7. Where is a hub specified in the OSI model?
Options- A. Session layer
- B. Physical layer
- C. Data Link layer
- D. Application layer Discuss
Correct Answer: Physical layer
Explanation:
Hubs regenerate electrical signals, which are specified at the Physical layer.
- 8. How often are BPDUs sent from a layer 2 device?
Options- A. Never
- B. Every 2 seconds
- C. Every 10 minutes
- D. Every 30 seconds Discuss
Correct Answer: Every 2 seconds
Explanation:
Every 2 seconds, BPDUs are sent out from all active bridge ports by default.
- 9. Which class of IP address has the most host addresses available by default?
Options- A. A
- B. B
- C. C
- D. A and B Discuss
Correct Answer: A
Explanation:
Class A addressing provides 24 bits for host addressing.
- 10. Which one of the following is true regarding VLANs?
Options- A. Two VLANs are configured by default on all Cisco switches.
- B. VLANs only work if you have a complete Cisco switched internetwork. No off-brand switches are allowed.
- C. You should not have more than 10 switches in the same VTP domain.
- D. VTP is used to send VLAN information to switches in a configured VTP domain. Discuss
Correct Answer: VTP is used to send VLAN information to switches in a configured VTP domain.
Explanation:
Switches do not propagate VLAN information by default; you must configure the VTP domain. VLAN Trunking Protocol (VTP) is used to propagate VLAN information across a trunk link.
Programming
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