Which system is utilized for sending and storing log messages in a network, helping in network management and security?
- DHCP
- DNS
- Syslog
- HTTP
Syslog is a system used for sending and storing log messages in a network, aiding in network management and security.
Which protocol within IPSec is used to provide data integrity and authentication?
- AH (Authentication Header)
- ESP (Encapsulating Security Payload)
- IKE (Internet Key Exchange)
- SSL (Secure Sockets Layer)
The Authentication Header (AH) protocol within IPSec is used to provide data integrity and authentication.
What is a key disadvantage of using a star topology in very large networks?
- Complex Wiring
- High Maintenance Cost
- Limited Scalability
- Single Point of Failure
A key disadvantage of using a star topology in very large networks is limited scalability. As more devices are added, the central hub may become a bottleneck for data traffic.
In a network, _______ is used to connect segments of a LAN and contains logic to filter traffic based on MAC addresses.
- Hub
- Repeater
- Router
- Switch
In a network, a Switch is used to connect segments of a LAN and contains logic to filter traffic based on MAC addresses.
Which type of firewall uses a defined set of rules to decide whether to allow or block network traffic?
- Proxy firewall
- Stateful firewall
- Stateless firewall
- Application-layer firewall
A stateful firewall uses a defined set of rules to decide whether to allow or block network traffic based on the state of connections.
A network administrator must design a QoS policy that dynamically adjusts priorities based on network load. Which advanced QoS feature should they consider?
- Class-Based Weighted Fair Queuing (CBWFQ)
- Low Latency Queuing (LLQ)
- Weighted Random Early Detection (WRED)
- AutoQoS
AutoQoS is an advanced QoS feature that dynamically adjusts priorities based on network load, providing an automated approach to QoS policy design.
For a business requiring remote access to servers in its private network from the internet, what NAT feature would be most appropriate to set up?
- Dynamic NAT
- PAT
- Port Forwarding
- Static NAT
Port Forwarding would be the most appropriate NAT feature for allowing remote access to servers in a private network from the internet, forwarding specific ports to internal servers.
_______ is a technique used in GRE tunnels to maintain a consistent network path and avoid fragmentation.
- MTU Path Discovery
- Spanning Tree Protocol
- Subnetting
- HSRP
MTU Path Discovery is a technique used in GRE tunnels to maintain a consistent network path and avoid fragmentation.
How does SNMPv3 differ from SNMPv1 and SNMPv2 in terms of security features?
- Community strings for authentication
- Addition of HMAC for message integrity
- Plain text communication
- Encryption of SNMP packets
SNMPv3 introduces the addition of HMAC for message integrity, enhancing security compared to SNMPv1 and SNMPv2.
When designing a BGP network for a large organization, what factor should be considered to ensure optimal route propagation and stability?
- Convergence Time
- Route Summarization
- BGP Confederations
- Prefix Length
Route summarization should be considered when designing a BGP network for a large organization to ensure optimal route propagation and stability. It helps reduce the number of BGP routes.