Key details for this exam, checked against the published exam outline
Each question shows the correct answer and an explanation of why it is right
Which two statements are true about the IPv4 address of the default gateway configured on a host? (Choose 2.)
Note: You will receive partial credit for each correct selection.
* Statement B: 'The same default gateway IPv4 address is configured on each host on the local network.' This is true because all hosts on the same local network (subnet) use the same default gateway IP address to send packets destined for other networks.
* Statement D: 'The default gateway is the IPv4 address of the router interface connected to the same local network as the host.' This is true because the default gateway is the IP address of the router's interface that is directly connected to the local network.
* Statement A: 'The IPv4 address of the default gateway must be the first host address in the subnet.' This is not necessarily true. The default gateway can be any address within the subnet range.
* Statement C: 'The default gateway is the Loopback0 interface IPv4 address of the router connected to the same local network as the host.' This is not true; the default gateway is the IP address of the router's physical or logical interface connected to the local network.
* Statement E: 'Hosts learn the default gateway IPv4 address through router advertisement messages.' This is generally true for IPv6 with Router Advertisement (RA) messages, but not typically how IPv4 hosts learn the default gateway address.
* Cisco Default Gateway Configuration: Cisco Default Gateway
Which address is included in the 192.168.200.0/24 network?
* 192.168.200.0/24 Network: This subnet includes all addresses from 192.168.200.0 to 192.168.200.255. The /24 indicates a subnet mask of 255.255.255.0, which allows for 256 addresses.
* 192.168.199.13: This address is in the 192.168.199.0/24 subnet, not the 192.168.200.0/24 subnet.
* 192.168.200.13: This address is within the 192.168.200.0/24 subnet.
* 192.168.201.13: This address is in the 192.168.201.0/24 subnet, not the 192.168.200.0/24 subnet.
* 192.168.1.13: This address is in the 192.168.1.0/24 subnet, not the 192.168.200.0/24 subnet.
* Subnetting Guide: Subnetting Basics
A user initiates a trouble ticket stating that an external web page is not loading. You determine that other resources both internal and external are still reachable.
Which command can you use to help locate where the issue is in the network path to the external web page?
The tracert command is used to determine the route taken by packets across an IP network. When a user reports that an external web page is not loading, while other resources are accessible, it suggests there might be an issue at a certain point in the network path to the specific web page. The tracert command helps to diagnose where the breakdown occurs by displaying a list of routers that the packets pass through on their way to the destination. It can identify the network segment where the packets stop progressing, which is valuable for pinpointing where the connectivity issue lies. Reference := Cisco CCST Networking Certification FAQs -- CISCONET Training Solutions, Command Prompt (CMD): 10 network-related commands you should know, Network Troubleshooting Commands Guide: Windows, Mac & Linux - Comparitech, How to Use the Traceroute and Ping Commands to Troubleshoot Network, Network Troubleshooting Techniques: Ping, Traceroute, PathPing.
* tracert Command: This command is used to determine the path packets take to reach a destination. It lists all the hops (routers) along the way and can help identify where the delay or failure occurs.
* ping -t: This command sends continuous ping requests and is useful for determining if a host is reachable but does not provide path information.
* ipconfig /all: This command displays all current TCP/IP network configuration values and can be used to verify network settings but not to trace a network path.
* nslookup: This command queries the DNS to obtain domain name or IP address mapping, useful for DNS issues but not for tracing network paths.
* Microsoft tracert Command: tracert Command Guide
* Troubleshooting Network Issues with tracert: Network Troubleshooting Guide
Which command will display the following output?
The command that will display the output provided, which includes capability codes, local interface details, device IDs, hold times, and platform port ID capabilities, is the show cdp neighbor command. This command is used in Cisco devices to display current information about neighboring devices detected by Cisco Discovery Protocol (CDP), which includes details such as the interface through which the neighbor is connected, the type of device, and the port ID of the device1.
* Cisco - show cdp neighbors
The provided output is from the Cisco Discovery Protocol (CDP) neighbor table. The show cdp neighbor command displays information about directly connected Cisco devices, including Device ID, Local Interface, Holdtime, Capability, Platform, and Port ID.
* A. show mac-address-table: Displays the MAC address table on the switch.
* C. show inventory: Displays information about the hardware inventory of the device.
* D. show ip interface: Displays IP interface status and configuration.
Thus, the correct answer is B. show cdp neighbor.
* Cisco CDP Neighbor Command
* Understanding CDP
A Cisco switch is not accessible from the network. You need to view its running configuration.
Which out-of-band method can you use to access it?
Out-of-band (OOB) network interface configuration guidelines
Out of band management configuration
If you have any more questions or need further assistance, feel free to ask!
40 questions covering all exam domains, starting from $20
Exam domains verified against: Official Cisco 100-150 exam guide, last checked August 2026.
Understand the TCP/IP and OSI models, packets and frames, and network addressing. Differentiate between bandwidth and throughput using speed tests and performance tools. Identify LAN, WAN, MAN, CAN, PAN, WLAN and their topologies. Compare cloud and on-premises services including SaaS, PaaS, and IaaS. Recognize common protocols like TCP, UDP, HTTP, HTTPS, DHCP, DNS, and ICMP.
Compare private and public IPv4 addresses and understand NAT. Identify IPv4 subnet formats, masks, slash notation, and broadcast domains. Identify IPv6 addresses and prefix concepts. Use subnet calculators to solve addressing problems in practical scenarios.
Identify copper and fiber cables, coax, RJ-45, and RJ-11 connectors. Differentiate Wi-Fi standards on unlicensed bands and cellular on licensed bands. Recognize sources of interference. Describe IoT devices, computers, mobile devices, IP phones, printers, and servers. Demonstrate connectivity setup and troubleshooting on Windows, Linux, Mac OS, Android, and iOS.
Interpret Cisco device status lights and their meanings. Use network diagrams to attach patch cables to switches, routers, and power supplies correctly. Identify console ports, serial ports, fiber ports, Ethernet ports, SFPs, USB ports, and PoE. Explain default gateways, layer 2 and layer 3 switches. Describe MAC address tables, filtering, and VLAN basics.
Sample question from this domain above: Q4
Apply troubleshooting methodologies and help desk best practices including ticketing and documentation. Capture packets with Wireshark and save .pcap files. Run ping, ipconfig/ifconfig, tracert/traceroute, and nslookup. Interpret results and understand how firewalls influence them. Access devices via RDP, SSH, telnet, console, and cloud management systems like Meraki.
Describe how firewalls filter traffic and enforce rules. Understand CIA triad, AAA, MFA, encryption, certificates, and password complexity. Recognize threats like phishing, malware, spam, and denial of service. Configure WPA, WPA2, WPA3 security on home routers choosing Personal or Enterprise modes.
Common questions about the exam itself
