⚙️ IP Services (DNS, NTP, SNMP, Syslog) - CCNA Practice Questions

Study essential IP services: DNS resolution, NTP time synchronization, SNMP monitoring, Syslog logging, TFTP/FTP, QoS basics, and first-hop redundancy (HSRP).

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CCNA IP Services Question Bank (4 Questions)

Browse all 4 practice questions covering IP Services (DNS, NTP, SNMP, Syslog) for the CCNA certification exam. Each question includes the full answer and a detailed explanation to help you understand the concepts.

  1. Question 1IP Services

    Why should SSH be used instead of Telnet for remote device management?

    ASSH is faster
    BSSH encrypts all traffic (authentication and data); Telnet sends everything in cleartext, including passwords✓
    CTelnet doesn't support remote access
    DSSH uses less bandwidth
    Show Answer & Explanation
    Correct Answer: B
    Explanation:

    Telnet (TCP/23) sends all data in plaintext — passwords, commands, and output can be captured with a packet sniffer. SSH (TCP/22) encrypts the entire session using public-key cryptography. Always use SSH; disable Telnet with 'transport input ssh' on VTY lines.

  2. Question 2IP Services

    Which protocol uses UDP port 69 for file transfers?

    AFTP
    BSFTP
    CTFTP✓
    DSCP
    Show Answer & Explanation
    Correct Answer: C
    Explanation:

    TFTP uses UDP port 69 for simple file transfers without authentication. FTP uses TCP ports 20/21, SFTP uses TCP 22.

  3. Question 3IP Services

    What are the key differences between FTP and TFTP?

    AThey are the same protocol
    BFTP uses TCP/20-21 with authentication and full features; TFTP uses UDP/69, is simple with no authentication, used for boot files and IOS transfers✓
    CTFTP is more secure than FTP
    DFTP uses UDP
    Show Answer & Explanation
    Correct Answer: B
    Explanation:

    FTP: TCP ports 20 (data) and 21 (control), supports authentication, directory listing, and resume. TFTP: UDP port 69, no authentication, simple GET/PUT only, small code footprint. TFTP used for: IOS upgrades, PXE boot, phone config downloads. Both send data in cleartext.

  4. Question 4IP Connectivity

    What are the key differences between HSRP, VRRP, and GLBP?

    AThey are all identical
    BHSRP is Cisco proprietary, VRRP is IEEE standard, GLBP is Cisco and provides active-active load balancing across multiple gateways✓
    COnly VRRP supports IPv6
    DGLBP is the IEEE standard
    Show Answer & Explanation
    Correct Answer: B
    Explanation:

    HSRP (Cisco): active/standby, virtual IP, preemption optional. VRRP (RFC 5798): open standard, master/backup, can use real IP as virtual. GLBP (Cisco): active-active, uses one virtual IP but multiple virtual MACs to load-balance across all routers.

Key IP Services Concepts for CCNA

dnsntpsnmpsyslogtftpftpqoshsrpfhrpsshtelnet

CCNA IP Services Exam Tips

IP Services (DNS, NTP, SNMP, Syslog) questions in CCNA are typically scenario-based. Focus on service-level decision making aligned to official exam objectives. Priority concepts: dns, ntp, snmp, syslog, tftp, ftp.

What CCNA Expects

  • Anchor your answer in select the most practical, secure, and scalable answer for the stated scenario.
  • IP Services scenarios for CCNA are frequently mapped to Domain 4 (10%), so read the objective carefully before picking controls or architecture.
  • Expect multi-service scenarios where IP Services interacts with IAM, networking, storage, or observability patterns rather than appearing as an isolated service question.
  • When two options are both technically valid, prefer the choice that best aligns with the exam's operational scope (Associate) and managed-service best practices.

High-Value IP Services Concepts

  • Know the core IP Services building blocks cold: dns, ntp, snmp, syslog.
  • Review the edge-case features and limits for tftp, ftp; these details are commonly used to differentiate answer choices.
  • Practice service-integration reasoning: how IP Services pairs with Network Fundamentals, Security Fundamentals, Automation in real deployment patterns.
  • For CCNA, explain why the chosen IP Services design meets reliability, security, and cost expectations better than the alternatives.

Common CCNA Traps

  • Watch for answers that partially solve the requirement but miss operational constraints.
  • Questions in IP Services often include distractors that look correct for IP Services but violate least-privilege, durability, or availability requirements.
  • Avoid picking options purely by feature name; validate data path, failure handling, and governance impact before answering.
  • If the prompt hints at automation or repeatability, eliminate manual-only operational answers first.

Fast Review Checklist

  • Can you compare at least two IP Services implementation paths and justify which one best fits the scenario?
  • Can you map the chosen answer back to IP Services (10%) outcomes for CCNA?
  • Can you explain security and access boundaries for IP Services without relying on default-open assumptions?
  • Can you describe how IP Services integrates with Network Fundamentals and Security Fundamentals during failure, scaling, and monitoring events?

Exam Domains Covering IP Services

Domain 4IP Services10%

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