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Which of the following protocols uses the Dijkstra’s Link State Algorithm to establish routes inside its routing table?
- A. OSPF
- B. EIGRP
- C. BGP
- D. RIP
Which of the following traffic types does a DHCP Discover request from a PC use?
- A. Broadcast
- B. Anycast
- C. Unicast
- D. Multicast
A user’s VoIP phone and workstation are connected through an inline cable. The user reports that the VoIP phone intermittently reboots, but the workstation is not having any network-related issues. Which of the following is the most likely cause?
- A. The PoE power budget is exceeded.
- B. Port security is violated.
- C. The signal is degraded.
- D. The Ethernet cable is not working.
Which of the following types of connections would need to be set up to provide access from the internal network to an external network so multiple satellite offices can communicate securely using various ports and protocols?
- A. Client-to-site VPN
- B. Clientless VPN
- C. RDP
- D. Site-to-site VPN
- E. SSH
A company’s network is experiencing high latency and packet loss during peak hours. Network monitoring tools show increased traffic on a switch. Which of the following should a network technician implement to reduce the network congestion and improve performance?
- A. Load balancing
- B. Port mirroring
- C. Quality of service
- D. Spanning Tree Protocol
Which of the following best explains the role of confidentiality with regard to data at rest?
- A. Data can be accessed by anyone on the administrative network.
- B. Data can be accessed remotely with proper training.
- C. Data can be accessed after privileged access is granted.
- D. Data can be accessed after verifying the hash.
Several users in an organization report connectivity issues and lag during a video meeting. The network administrator performs a tcpdump and observes increased retransmissions for other non-video applications on the network. Which of the following symptoms describes the users’ reported issues?
- A. Latency
- B. Packet loss
- C. Bottlenecking
- D. Jitter
Which of the following is concerned with guaranteed availably of a cloud resource?
- A. IPAM
- B. SLA
- C. MTBF
- D. EOL
A network consultant needs to decide between running an Ethernet uplink or using the built-in 5GHz point-to-point functionality on a WAP. Which of the following documents provides the best information to assist the consultant with this decision?
- A. Site survey results
- B. Physical diagram
- C. Service-level agreement
- D. Logical diagram
While troubleshooting connectivity issues, a junior network administrator is given explicit instructions to test the host’s TCP/IP stack first. Which of the following commands should the network administrator run?
- A. ping 127.0.0.1
- B. ping 169.254.1.1
- C. ping 172.16.1.1
- D. ping 192.168.1.1