Review 7 Flashcards
Which protocol is designed to maintain accurate and consistent time across a network and is a critical component of all networks.
Question options:
ESP
SSL
NTP
TLS
NTP (Network Time Protocol)
How is authentication performed with TLS?
Using digital certificates.
A ____________ appliance is a device dedicated to performing a file server role.
NAS (Network Attached Storage)
Which term refers to the time that is needed to restore services after a disruption?
Recovery time objective (RTO)
Which type of database stores information in tables with rows (records) and columns (fields)?
Relational Database
What do experts say is the maximum level of latency that is acceptable in VoIP systems?
Question options:
75 milleseconds
200 milliseconds
150 milliseconds
250 milliseconds
250 ms
Which term refers to the maximum acceptable loss after an event?
Recovery point objective (RPO)
What term describes two or more network adapters working together to provide additional bandwidth and fault tolerance?
Question options:
NIC redundancy
Adapter redundancy
NIC teaming
NIC aggregation
NIC teaming
A _______________ addresses large-scale network outage incidents. These will typically be incidents that threaten the performance or security of a whole site.
Question options:
Business Recovery Plan (BRP)
Disaster Recovery Plan (DRP)
Business Continuity Plan (BCP)
High Availability Plan (HAP)
Disaster Recovery Plan (DRP)
What protocol enables clients (typically web browsers) to request resources from a web server?
HTTP
Which of the following is NOT a main web server platform?
Question options:
NGINX
Apache
MS Web Services
IIS
MS Web Services
Which software suite allows a Linux host to access file/printer shares hosted in Windows?
Question options:
SAMBA
SMB
NAS
NFS
SAMBA
Which of the following statements is NOT true regarding codecs?
Question options:
A codec that requires a large amount of bandwidth may have poor sound quality.
A VoIP system’s default codec should be adequate for small originations.
A codec that preserves sound quality may require a large amount of bandwidth to transmit.
A codec compresses the data on the sending end and decompresses the data on the receiving end.
A codec that requires a large amount of bandwidth may have poor sound quality.
Which of the following statements is NOT true regarding HTTPS?
Question options:
Uses TLS (SSL) encryption
Secure version of HTTP
URL begins with https://
Uses port 80
Uses port 80
Which Transfer layer protocol is most commonly used by VOIP?
Question options:
TCP
UDP
SIP
FTP
UDP
In PTP, what type of clock is the authoritative time source within a PTP domain?
Question options:
Grandmaster clock
Ordinary clock
Master clock
Boundary clock
Grandmaster clock
TLS works as a layer between the _______________ layers of the TCP/IP stack.
Question options:
Session and Transport
Application and Transport
Network and Session
Application and Session
Application and Transport
What protocol is a connectionless protocol running over UDP port 69, and is only suitable for transferring small files?
Question options:
FTP
TFTP
Passive FTP
TLS
TFTP
Which protocol is optimized for the transmission of voice data (telephone calls) through a packet-switched IP network?
Question options:
VOX
PSTN
PBX
VOIP
VOIP
During the TLS handshake, the server provides its certificate to the client. What information is contained in this certificate?
Question options:
Public key
Authentication protocol
Both public and private keys
Private key
Public key
