Which of the following causes network performance to deteriorate and delays network response time?
A. Network latency
B. Caching
C. Network bandwidth
D. High CPU and memory usage
Answer: A. Network latency is a time delay that is encountered while data is being sent from one point to another on the network and impacts network bandwidth and performance.
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Cloud Infrastructure Chapter 4
- Which of the following is NOT a benefit of using VLANs?
- What increases as compression reduces the size of transmitted data?
- Your organization plans to use iSCSI for shared network storage. Which technique should be used to ensure that iSCSI traffic is kept separate from other IP traffic?
- Users complain that Internet access has been intermittent. You check the configuration of a user system and discover it has an IP address beginning with 169.254. What is the problem?
- Andrew is a cloud network administrator. Cloud-based virtual machines hosting a custom web application have been deployed to a single cloud virtual network that currently has no Internet access. Each virtual machine must have Internet access, while incoming connections initiated from the Internet must be blocked. Which solution should the administrator deploy?
- Lisa is responsible for a web application running in the public cloud. Recent performance metrics indicate that the average user wait time for page loads is four seconds due to the high number of HTTP requests. What should she configure?
- A client web browser connects to an HTTPS web server. Which port does the server use to communicate back to the client?
- Which of the following is a disadvantage of network compression?
- This protocol is responsible for transferring e-mail messages from one mail server to another over the Internet.
- Which of these ports is the well-known port for the Telnet service?
- In a network environment _______ is responsible for assigning IP addresses to computers and _______ is responsible for resolving those IP addresses to names.
- SFTP uses _________ to secure FTP communication.
- Which of the following protocols and ports is used to secure communication over the Internet?
- Which of the following technologies allows you to logically segment a LAN into different broadcast domains?
- Which of the following IP addresses is in a private IP range?
- Which process allows a router to modify packets so that multiple devices can share a single public IP address?
- You administer a website that receives thousands of hits per second. You notice the web server hosting the website is operating at close to capacity. What solution would you recommend to improve the performance of the website?
- After taking a new job at the state university, you are asked to recommend a network topology that best fits the large college campus. The network needs to span the entire campus. Which network topology would you recommend?
- Which of the following terms defines the amount of data that can be sent across a network at a given time?
- Which of the following is a network of multiple networks relying on network devices and common protocols to transfer data from one destination to another until it reaches its final destination and is accessible from anywhere?
- Which of the following statements describes the difference between an extranet and an intranet network configuration?
- Which network type is not accessible from outside the organization by default?