Page 15 of 31 · 604 total questions.
A network engineer discovers network traffic that is sending confidential information to an unauthorized and unknown destination. Which of the following best describes the cause of this network traffic?
The correct answer is C. Option C: Malware
A security administrator is looking for rogue servers on the network and would also like to determine which services are running on those servers. Which of the following software tools should the administrator use?
The correct answer is B. Option B: nmap This option keeps traffic private / properly secured as required.
A network administrator needs to secure SNMP access with authentication and encryption. Which of the following should the administrator use?
The correct answer is A. Option A: SNMPv3 This option keeps traffic private / properly secured as required.
A user’s desk has a workstation and an IP phone. The user is unable to browse the internet on the workstation, but the phone works. Which of the following configurations is required?
The correct answer is C. Option C: Data VLAN
Explanation
A VLAN creates a logical layer-2 broadcast domain to segment devices independently of physical location.
A network technician is configuring the company's network 100Mbps port Layer 2 switches. The technician wants increased throughput for the uplinks between switches. The technician connects multiple redundant links between the switches. Which of the following should the technician configure?
The correct answer is A. Option A: Spanning Tree Protocol
Which of the following would most likely be utilized to implement encryption in transit when using HTTPS?
The correct answer is B. Option B: TLS
Explanation
TLS protects data in transit with authenticated encryption between network endpoints. This option keeps traffic private / properly secured as required.
Some of the 20 employees who use the wireless network report they are unable to access network resources even though the wireless network is available. An administrator recently made the following configuration changes to the wireless DHCP server: Network: 192.168.100.0 - Mask: 255.255.255.240 - Gateway: 192.168.100.1 - Which of the following is the cause of this issue?
The correct answer is C. Option C: Incorrect subnet mask
Explanation
Subnetting divides an IP network into smaller routing and broadcast domains for address efficiency and segmentation.
Which of the following typically uses compromised systems that become part of a bot network?
The correct answer is B. Option B: DDoS attack
Which of the following network ports is used when a client accesses an SFTP server?
The correct answer is A. Option A: 22
Two companies successfully merged. Following the merger, a network administrator identified a connection bottleneck. The newly formed company plans to acquire a high-end 40GB switch and redesign the network from a three-tier model to a collapsed core. Which of the following should the administrator do until the new devices are acquired?
The correct answer is D. Option D: Enable link aggregation.
Which of the following is the step that a troubleshooter should take immediately after implementing a solution?
The correct answer is C. Option C: Verify full system functionality.
Users can usually use RDP to connect to a terminal server with hostname TS19 that points to 10.0.100.19. However, users recently have been unable to connect to TS19. The technician pings 10.0.100.19 and gets an unreachable error. Which of the following is the most likely cause?
The correct answer is C. Option C: The IP address was not reserved.
Which of the following is the OSI model layer that uses a connectionless protocol for packet delivery?
The correct answer is B. Option B: Network
A company experiences an incident involving a user who connects an unmanaged switch to the network. Which of the following technologies should the company implement to help avoid similar incidents without conducting an asset inventory?
The correct answer is B. Option B: 802.1X
Explanation
802.1X provides port-based network access control using a supplicant, authenticator, and authentication server.
Which of the following are benefits of implementing MFA and SSO in an enterprise environment? (Choose two.)
The correct answer is B, C. Option B: Centralizing user account management activities Option C: Adding an extra layer of security against compromised credentials
Users report connectivity issues after a network switch is replaced. There are three separate subnets for users, voice, and servers. The users cannot reach the resources in the server subnet. Upon investigation, a separate voice switch has thousands of discarded packets, but no users report issues making or receiving calls. Which of the following is most likely the issue?
The correct answer is C. Option C: VLAN misconfiguration
Explanation
A VLAN creates a logical layer-2 broadcast domain to segment devices independently of physical location.
A network administrator needs to deploy a subnet using an IP address range that can support at least 260 devices with the fewest wasted addresses. Which of the following subnets should the administrator use?
The correct answer is B. Option B: 172.25.2.0/23
Which of the following will allow secure, remote access to internal applications?
The correct answer is A. Option A: VPN
Explanation
A VPN creates an encrypted tunnel across an untrusted network for private remote or site connectivity. This option keeps traffic private / properly secured as required.
A junior network administrator gets a text message from a number posing as the domain registrar of the firm. The administrator is tricked into providing global administrator credentials. Which of the following attacks is taking place?
The correct answer is D. Option D: Smishing
A network engineer wants to implement a secure solution that provides authentication and encryption to gather and monitor logs within the company network. Which of the following tools will accomplish this task?
The correct answer is C. Option C: SNMPv3 This option keeps traffic private / properly secured as required.
Showing questions 281–300 of 604 · Page 15 of 31