Network - Test 3

An attacker is attempting to find the password to a network by inputting common words and phrases in plaintext to the password prompt. Which of the following attack types BEST describes this action?

• Pass-the-hash attack

• Rainbow table attack

• Brute-force attack

• Dictionary attack

A technician receives feedback that some users are experiencing high amounts of jitter while using the wireless network. While troubleshooting the network, the technician uses the ping command with the IP address of the default gateway and verifies large variations in latency. The technician thinks the issue may be interference from other networks and non-802.11 devices. Which of the following tools should the technician use to troubleshoot the issue?

• NetFlow analyzer

• Bandwidth analyzer

• Protocol analyzer

• Spectrum analyzer

An IT director is setting up new disaster and HA policies for a company. Limited downtime is critical to operations. To meet corporate requirements, the director set up two different datacenters across the country that will stay current on data and applications. In the event of an outage, the company can immediately switch from one datacenter to another. Which of the following does this BEST describe?

• A warm site

• Data mirroring

• Multipathing

• Load balancing

• A hot site

A systems administrator needs to improve WiFi performance in a densely populated office tower and use the latest standard. There is a mix of devices that use 2.4 GHz and 5 GHz. Which of the following should the systems administrator select to meet this requirement?

• 802.11ac

• 802.11ax

• 802.11g

• 802.11n

The management team needs to ensure unnecessary modifications to the corporate network are not permitted and version control is maintained. Which of the following documents would BEST support this?

• An incident response plan

• A business continuity plan

• A change management policy

• An acceptable use policy

A systems administrator wants to use the least amount of equipment to segment two departments that nave cables terminating in the same room. Which of the following would allow this to occur?

• (A). A load balancer

• (B). A proxy server

• (C). A Layer 3 switch

• (D). A hub

• (E). A Layer 7 firewall

  (F). The RSSI was not strong enough on the link

A branch of a company recently switched to a new ISP. The network engineer was given a new IP range to assign. The ISP assigned 196.26.4.0/26, and the branch gateway router now has the following configurations on the interface that peers to the ISP:

 

IP address:      196.26.4.30

Subnet mask:  255.255.255.224

Gateway:        196.24.4.1

 

The network engineer observes that all users have lost Internet connectivity. Which of the following describes the issue?

• The incorrect subnet mask was configured

• The incorrect gateway was configured

• The incorrect IP address was configured

• The incorrect interface was configured