CCST-Networking인증시험은Cisco인증시험중의 하나입니다.그리고 또한 비중이 아주 큰 인증시험입니다. 그리고Cisco CCST-Networking인증시험 패스는 진짜 어렵다고 합니다. 우리KoreaDumps에서는 여러분이CCST-Networking인증시험을 편리하게 응시하도록 전문적이 연구팀에서 만들어낸 최고의CCST-Networking덤프를 제공합니다, KoreaDumps와 만남으로 여러분은 아주 간편하게 어려운 시험을 패스하실 수 있습니다,
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질문 # 22
You plan to use a network firewall to protect computers at a small office.
For each statement about firewalls, select True or False.
Note: You will receive partial credit for each correct selection.
정답：
설명：
Explanation:
* A firewall can direct all web traffic to a specific IP address.
* True: Firewalls can be configured to perform Network Address Translation (NAT) and port forwarding, which can direct all web traffic (typically on port 80 and 443) to a specific internal IP address.
* A firewall can block traffic to specific ports on internal computers.
* True: Firewalls can be configured with access control lists (ACLs) or rules to block traffic to specific ports on internal computers, enhancing security by restricting unwanted or harmful traffic.
* A firewall can prevent specific apps from running on a computer.
* False: Firewalls typically control traffic flow and do not prevent specific applications from running on a computer. Application control is usually managed by endpoint security software or application control systems.
* Directing Web Traffic: Firewalls can manage traffic redirection using NAT and port forwarding rules to route web traffic to designated servers or devices within the network.
* Blocking Specific Ports: Firewalls can enforce security policies by blocking or allowing traffic based on port numbers, ensuring that only permitted traffic reaches internal systems.
* Application Control: While firewalls manage network traffic, preventing applications from running typically requires software specifically designed for endpoint protection and application management.
References:
* Understanding Firewalls: Firewall Capabilities
* Network Security Best Practices: Network Security Guide
질문 # 23
During the data encapsulation process, which OSI layer adds a header that contains MAC addressing information and a trailer used for error checking?
정답：D
설명：
OSI model
During the data encapsulation process, theData Link layerof the OSI model is responsible for adding a header that contains MAC addressing information and a trailer used for error checking.The header typically includes the source and destination MAC addresses, while the trailer contains a Frame Check Sequence (FCS) which is used for error detection1.
The Data Link layer ensures that messages are delivered to the proper device on a LAN using hardware addresses and translates messages from the Network layer into bits for the Physical layer to transmit. It also controls how data is placed onto the medium and is received from the medium through the physical hardware.
References:=
* The OSI Model - The 7 Layers of Networking Explained in Plain English
* OSI Model - Network Direction
* Which layer adds both header and trailer to the data?
* What is OSI Model | 7 Layers Explained - GeeksforGeeks
질문 # 24
You plan to use a network firewall to protect computers at a small office.
For each statement about firewalls, select True or False.
Note: You will receive partial credit for each correct selection.
정답：
설명：
Explanation:
* A firewall can direct all web traffic to a specific IP address.
* True: Firewalls can be configured to perform Network Address Translation (NAT) and port forwarding, which can direct all web traffic (typically on port 80 and 443) to a specific internal IP address.
* A firewall can block traffic to specific ports on internal computers.
* True: Firewalls can be configured with access control lists (ACLs) or rules to block traffic to specific ports on internal computers, enhancing security by restricting unwanted or harmful traffic.
* A firewall can prevent specific apps from running on a computer.
* False: Firewalls typically control traffic flow and do not prevent specific applications from running on a computer. Application control is usually managed by endpoint security software or application control systems.
* Directing Web Traffic: Firewalls can manage traffic redirection using NAT and port forwarding rules to route web traffic to designated servers or devices within the network.
* Blocking Specific Ports: Firewalls can enforce security policies by blocking or allowing traffic based on port numbers, ensuring that only permitted traffic reaches internal systems.
* Application Control: While firewalls manage network traffic, preventing applications from running typically requires software specifically designed for endpoint protection and application management.
References:
* Understanding Firewalls: Firewall Capabilities
* Network Security Best Practices: Network Security Guide
질문 # 25
Which command will display the following output?
정답：C
설명：
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.
References :=
*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.
References :=
*Cisco CDP Neighbor Command
*Understanding CDP
질문 # 26
A user reports that a company website is not available. The help desk technician issues a tracert command to determine if the server hosting the website is reachable over the network. The output of the command is shown as follows:
What can you tell from the command output?
정답：D
설명：
The tracert command output shows the path taken to reach the destination IP address, 192.168.1.10. The command output indicates:
*Hops 1 and 2 are successfully reached.
*Hop 3 times out, meaning the router at hop 3 did not respond to the tracert request. However, this does not necessarily indicate a problem with forwarding packets, as some routers may be configured to block or not respond to ICMP requests.
*Hops 4 and 5 are successfully reached, with hop 5 being the destination IP 192.168.1.10, indicating that the server is reachable.
Thus, the correct answer is C. The server with the address 192.168.1.10 is reachable over the network.
References :=
*Cisco Traceroute Command
*Understanding Traceroute
The tracert command output indicates that the server with the address 192.168.1.10 is reachable over the network. The asterisk (*) at hop 3 suggests that the probe sent to that hop did not return a response, which could be due to a variety of reasons such as a firewall blocking ICMP packets or the router at that hop being configured not to respond to ICMP requests. However, since the subsequent hops (4 and 5) are showing response times, it means that the packets are indeed getting through and the server is reachable12.
References :=
*How to Use Traceroute Command to Read Its Results
*How to Use the Tracert Command in Windows
질문 # 27
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만일Cisco CCST-Networking인증시험을 첫 번째 시도에서 실패를 한다면 Cisco CCST-Networking덤프비용 전액을 환불 할 것입니다. 만일 고객이 우리 제품을 구입하고 첫 번째 시도에서 성공을 하지 못 한다면 모든 정보를 확인 한 후에 구매 금액 전체를 환불 할 것 입니다. 이러한 방법으로 저희는 고객에게 어떠한 손해도 주지 않을 것을 보장합니다.
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