Data Center Networking

You are designing a data center network and need to ensure high availability. Which of the following configurations would best achieve this?
Single core switch with redundant power supplies
Dual core switches with redundant links to access switches
Multiple access switches connected to a single distribution switch
Single distribution switch with redundant uplinks to the core switch
In a data center, you need to segment the network for security and performance reasons. Which technology would you use?
QoS
VLAN
NAT
DHCP
A data center is experiencing high latency issues. Which tool would be best to identify the root cause?
Wireshark
Nmap
Ping
SNMP
You are tasked with improving the efficiency of the cooling system in a data center. Which design strategy would be most effective?
Hot aisle/cold aisle containment
Installing additional HVAC units
Reducing server density
Increasing airflow by removing floor tiles
Which protocol is most commonly used for connecting storage in a data center?
ISCSI
HTTP
SMTP
SNMP
In a data center, you need to ensure that virtual machines can move seamlessly between servers without IP address changes. Which technology supports this?
VXLAN
VPN
OSPF
MPLS
A data center requires scalable and automated network management. Which approach would best address this need?
Manual configuration
CLI scripting
Network automation tools like Ansible
Spanning Tree Protocol (STP)
To prevent a single point of failure in the data center’s internet connection, what is the best practice?
Using a single ISP with multiple links
Using multiple ISPs with BGP
Using a single firewall with redundant power
Using multiple routers with HSRP
In a data center, which technology allows you to bundle multiple physical links into a single logical link for increased bandwidth and redundancy?
Link Aggregation Control Protocol (LACP)
Spanning Tree Protocol (STP)
Border Gateway Protocol (BGP)
Network Address Translation (NAT)
You need to isolate sensitive data center traffic from other network traffic. Which solution would be most appropriate?
Implementing firewalls
Using VLANs
Implementing QoS
Using DHCP snooping
To enhance network performance and minimize latency in a data center, which of the following should you prioritize?
High bandwidth
Low power consumption
Dense cabling
Network segmentation
A data center needs to connect multiple geographically dispersed locations securely. Which technology should be used?
VLAN
RIP
VPN
DHCP
In a data center, which of the following helps prevent broadcast storms?
DHCP
STP
FTP
DNS
Which protocol is essential for managing and monitoring network devices in a data center?
SNMP
HTTP
FTP
SMTP
To efficiently balance traffic loads across multiple servers in a data center, which technology should be implemented?
Load balancers
Firewalls
Switches
Routers
Which technology allows for the virtualized management of network functions in a data center?
NFV (Network Functions Virtualization)
VPN
RIP
NAT
You need to ensure data redundancy and high availability in a data center. Which configuration would best achieve this?
Single hard drive
External USB backup
Tape backup
RAID
Which type of data center topology allows for easy expansion and high availability?
Star
Bus
Ring
Leaf-spine
To implement software-defined networking (SDN) in a data center, which component is essential?
SDN Controller
Physical router
Firewall
Load balancer
Which technology enables the extension of layer 2 segments across data centers?
MPLS
OSPF
VXLAN
BGP
In a data center, what is the primary purpose of implementing Quality of Service (QoS)?
Reduce power consumption
Increase storage capacity
Improve physical security
Prioritize critical traffic
A data center network requires isolation of tenant traffic for security. Which technology should be used?
STP
DHCP
DNS
VRF (Virtual Routing and Forwarding)
To manage IP addresses in a data center dynamically, which protocol is used?
SNMP
DHCP
FTP
DNS
Which network architecture in a data center provides the highest redundancy and reliability?
Dual-homed
Single-homed
Mesh
Ring
Which technology helps to reduce the number of IP addresses used in a data center by allowing private IP addresses to be mapped to a single public IP address?
VLAN
OSPF
NAT
BGP
To ensure efficient and rapid deployment of applications in a data center, which infrastructure is most suitable?
Traditional server setup
Workgroup setup
Converged infrastructure
Single server with multiple VMs
In a data center, which protocol is used to ensure a loop-free topology?
BGP
OSPF
STP
DHCP
Which type of firewall deployment is most effective in protecting a data center's internal network?
Edge firewall
Internal segmentation firewall
Stateful inspection firewall
Network address translation (NAT)
To provide redundancy for data center services, which method would you implement?
Single point of failure
DHCP
Load balancing
DHCP
Which approach helps in managing multiple data centers as a single entity?
DHCP
STP
Data center interconnect (DCI)
NAT
To monitor the performance of a data center network, which tool would be most appropriate?
FileZilla
PuTTY
Wireshark
SolarWinds
Which of the following technologies can help mitigate the impact of DDoS attacks on a data center?
NAT
IDS/IPS
DNS
DHCP
A data center requires rapid provisioning of network resources. Which technology would best facilitate this?
BGP
OSPF
SDN (Software-Defined Networking)
RIP
Which of the following is used to create a private network over a public network in a data center environment?
NAT
DNS
VPN
FTP
To manage power distribution efficiently in a data center, which solution should be implemented?
UPS
HVAC
PDU (Power Distribution Unit)
RAID
Which network design principle is essential for ensuring that data center traffic is handled efficiently and that network failure domains are minimized?
Flat network
Ring topology
Single point of failure
Hierarchical design
In a data center, which technology allows multiple virtual networks to coexist on a single physical network infrastructure?
VPN
NAT
VLAN
QoS
Which of the following best describes a leaf-spine topology?
A single-layer network with only core switches
A two-layer network topology with leaf switches at the access layer and spine switches at the core layer
A star topology with a single core switch
A ring network with interconnected switches
Which tool is typically used to manage and monitor virtualized environments in a data center?
Wireshark
Nmap
VMware vCenter
PuTTY
Which technology would you use to ensure data integrity and confidentiality for storage in a data center?
Compression
Caching
Deduplication
Encryption
Which protocol is commonly used for secure, remote management of data center devices?
Telnet
SSH
FTP
HTTP
A data center needs to back up large volumes of data regularly. Which solution would be most efficient?
Single hard drive
External USB drive
Local workstation
Network-attached storage (NAS)
In a data center, which strategy helps in minimizing downtime during maintenance or upgrades?
Manual configuration changes
Single point of control
Scheduled power shutdowns
Redundant systems and failover mechanisms
Which approach is used to reduce the impact of broadcast traffic in a data center network?
Increasing bandwidth
Adding more switches
VLAN segmentation
Using larger subnets
To ensure scalability and manageability of IP addresses in a large data center, which method is best?
Static IP addressing
IPAM (IP Address Management)
DHCP only
Manual IP tracking
Which type of data center architecture can provide the fastest response time for application delivery?
Centralized computing
Mainframe computing
Edge computing
Personal computing
Which technology is crucial for disaster recovery in data centers by ensuring data replication across multiple locations?
HTTP
SNMP
DRaaS (Disaster Recovery as a Service)
SMTP
Which protocol is used for dynamic routing between data centers?
DHCP
FTP
SMTP
BGP
Which feature allows virtual machines to maintain connectivity and IP addresses when moved between different hosts in a data center?
NAT
DHCP
Firewall rules
VM mobility
To improve data center energy efficiency, which practice should be adopted?
Implementing hot/cold aisle containment
Increasing server density
Using more power-hungry hardware
Reducing the number of servers
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