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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Standards and Concepts | 20% | - Bandwidth, throughput, and latency - OSI and TCP/IP models - Common network protocols - Network topologies and types |
| Topic 2: Endpoints and Media Types | 15% | - Network cables and connectors - Wired, wireless, and cellular technologies - Endpoint devices and operating systems - Connectivity verification tools |
| Topic 3: Security | 10% | - Common threats and vulnerabilities - Wireless security standards (WPA2/WPA3) - CIA triad and AAA model - Firewall and access control principles |
| Topic 4: Addressing and Subnet Formats | 20% | - IPv4 addressing and subnetting - Public vs private IP and NAT - Subnet mask and CIDR notation - IPv6 addressing and prefixes |
| Topic 5: Infrastructure | 20% | - Routing concepts and default gateway - Network device ports and status indicators - Switching concepts and VLANs - Wireless access points and SSIDs |
| Topic 6: Diagnosing Problems | 15% | - Command-line utilities (ping, traceroute, nslookup) - Troubleshooting methodology - Packet capture and analysis basics - Remote access methods (SSH, RDP, console) |
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NEW QUESTION # 30
Which device is an Internet of Things (IoT) device?
Answer: D
Explanation:
The Internet of Things (IoT) refers to a network of physical objects equipped with sensors, embedded processors, software, and network connectivity that enable them to collect, exchange, and act on information.
An internet-accessible thermostat is an example of an IoT device because it combines environmental sensing, automated control, and network communication.
A smart thermostat typically includes temperature sensors, a microcontroller, and Wi-Fi or another network interface. It can communicate with cloud-based management platforms, allowing users to monitor indoor temperatures, adjust heating and cooling settings remotely, and configure automated schedules.
IoT technology extends beyond thermostats to include smart lighting, connected security cameras, industrial sensors, wearable devices, and intelligent appliances.
Why the other options are incorrect:
B). Cloud-based file storage array: Primarily provides data storage infrastructure rather than functioning as an IoT endpoint.
C). Virtual private network concentrator: Establishes and manages secure VPN connections between remote clients or networks.
D). Video streaming server: Delivers multimedia content to clients across a network.
Although these systems may be internet-connected, internet connectivity alone does not make them IoT devices.
Therefore, Option A is correct because a connected thermostat is a physical device that senses environmental conditions and supports network-based monitoring and control.
References:
Cisco Certified Support Technician Networking (100-150) - Domain 1.0: Standards and Concepts, Objective
1.5: Describe Common Network Applications and Protocols.
Cisco - What Is the Internet of Things (IoT)?
Cisco Networking Academy - Introduction to IoT, Smart Devices, Sensors, and Connectivity.
NEW QUESTION # 31
Which protocol does an IPv6 host use to resolve the MAC address associated with a destination IPv6 address?
Answer: A
Explanation:
IPv6 uses Neighbor Discovery Protocol to discover the Layer 2 address of a destination on the local network. It replaces the ARP function used in IPv4 by using ICMPv6 messages to map an IPv6 address to a MAC address.
NEW QUESTION # 32
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?
Answer: A
Explanation:
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.
Reference:
* Microsoft tracert Command: tracert Command Guide
* Troubleshooting Network Issues with tracert: Network Troubleshooting Guide
NEW QUESTION # 33
Hotspot Question
You want to list the IPv4 addresses associated with the host name www.companypro.net.
Complete the command by selecting the correct option from each drop-down list.
Answer:
Explanation:
Explanation:
The nslookup command queries DNS to return the IPv4 addresses for the specified hostname.
NEW QUESTION # 34
Which wireless security option uses a pre-shared key to authenticate clients?
Answer: C
Explanation:
WPA2-Personal, also known as WPA2-PSK (Pre-Shared Key), is the wireless security option that uses a pre-shared key to authenticate clients. This method is designed for home and small office networks and doesn't require an authentication server. Instead, every user on the network uses the same key or passphrase to connect1.
Reference: =
* What is a Wi-Fi Protected Access Pre-Shared Key (WPA-PSK)?
* Exploring WPA-PSK and WiFi Security
* WPA2-Personal: This wireless security option uses a pre-shared key (PSK) for authentication. Each client that connects to the network must use this key to gain access. It is designed for home and small office networks where simplicity and ease of use are important.
* WPA2-Enterprise: Unlike WPA2-Personal, WPA2-Enterprise uses 802.1x authentication with an authentication server (such as RADIUS) and does not rely on a pre-shared key.
* 802.1x: This is a network access control protocol for LANs, particularly wireless LANs. It provides an authentication mechanism to devices wishing to attach to a LAN or WLAN.
* 802.1q: This is a networking standard that supports VLAN tagging on Ethernet networks and is not related to wireless security.
Reference:
* Cisco Documentation on WPA2 Security: Cisco WPA2
* Understanding Wireless Security: Wireless Security Guide
NEW QUESTION # 35
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