MCQs

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1. What is a default route in cloud networking?
   a. A route used only for internal traffic
   b. The route for packets with no matching specific entry
   c. The route used exclusively for VPN connections
   d. A backup static route
   Answer: bjuniper
2. Which address designates a default route in IPv4?
   a. 255.255.255.255/32
   b. 192.168.0.1/24
   c. 0.0.0.0/0
   d. 127.0.0.1/8
   Answer: ccloud.google+1
3. In IPv6, how is the default route specified?
   a. ::1/128
   b. ::/0
   c. ::FFFF/96
   d. ::/128
   Answer: bcloud.google+1
4. What role does a default gateway play in a cloud network?
   a. Provides load balancing
   b. Acts as the next-hop for the default route
   c. Hosts all subnets
   d. Encrypts packets
   Answer: bgeeksforgeeks+1
5. When is the default route used in routing tables?
   a. When there is a subnet mask conflict
   b. When no other route matches the destination address
   c. When DNS resolution fails
   d. If the source IP is unknown
   Answer: bgeeksforgeeks+1
6. What is longest prefix match in routing?
   a. Matching the longest device name
   b. Selecting the route with the most specific subnet mask
   c. Choosing the default route first
   d. Using shortest subnet masks only
   Answer: b30dayscoding+1
7. Which cloud provider adds a system-generated default route?
   a. Oracle Cloud
   b. Google Cloud Platform
   c. Alibaba Cloud
   d. OVH Cloud
   Answer: bcloud.google
8. What is the default next hop for internet access in cloud VPCs?
   a. NAT Gateway
   b. VPN Gateway
   c. Internet Gateway
   d. Load Balancer
   Answer: caws.amazon+1
9. Why is default routing important in large-scale cloud deployments?
   a. It restricts external traffic
   b. It simplifies routing tables
   c. It increases DNS lookups
   d. It limits subnet size
   Answer: bgeeksforgeeks+1
10. What happens if no default route exists in a routing table?
    a. Traffic is forwarded normally
    b. Packets are dropped if no specific match
    c. Traffic becomes encrypted
    d. External access is unrestricted
    Answer: bcloud.ibm
11. In AWS VPC, what is the purpose of the main route table’s default route?
    a. Direct internal subnet traffic only
    b. Route traffic to the internet gateway
    c. Disable public access
    d. Filter ARP requests
    Answer: baws.amazon
12. How is a default route added in Cisco routers?
    a. Using “ip route 192.168.0.0 255.255.255.0”
    b. Using “ip route 0.0.0.0 0.0.0.0 next-hop-IP”
    c. With “ip default-network”
    d. By configuring NAT rules
    Answer: bgeeksforgeeks
13. What type of routing is default routing classified as?
    a. Dynamic routing
    b. Static routing
    c. Hybrid routing
    d. Secure routing
    Answer: bgeeksforgeeks
14. What is the effect of default routes on routing table size?
    a. Increase size
    b. Flexible size
    c. Reduce size
    d. No effect
    Answer: c30dayscoding+1
15. Which default route is system-generated in Google Cloud?
    a. 0.0.0.0/32
    b. 255.255.255.255/24
    c. 0.0.0.0/0
    d. 172.16.0.0/12
    Answer: ccloud.google
16. What function do egress routes perform in cloud VPCs?
    a. Manage outbound traffic from subnets
    b. Handle DNS queries
    c. Create new subnets
    d. Encrypt packets
    Answer: acloud.ibm
17. What is an ingress route in cloud networking?
    a. Route for outbound traffic
    b. Internal-only route
    c. Route for incoming traffic to VPCs
    d. A backup route
    Answer: ccloud.ibm
18. In cloud routing, if a custom route is missing, what handles unmatched traffic?
    a. Firewall rules
    b. System-implicit routing table
    c. DNS server
    d. Load balancer
    Answer: bcloud.ibm
19. What does the default route target in AWS VPC usually represent?
    a. VPN endpoint
    b. NAT gateway
    c. Internet gateway
    d. Internal subnet
    Answer: caws.amazon
20. How can administrators control default routing policy in IBM Cloud?
    a. By creating firewall rules
    b. By adding routes to the default routing table
    c. By encrypting routers
    d. By disabling load balancers
    Answer: bcloud.ibm
21. What is the effect of removing a default route in a cloud VPC?
    a. Traffic is redirected to DNS only
    b. Outbound traffic to the internet is blocked
    c. Subnet creation fails
    d. Internal routing stops
    Answer: bcloud.google+1
22. What mask is used for the default route in IPv4?
    a. /8
    b. /16
    c. /24
    d. /0
    Answer: djuniper+1
23. What is generally called the device to which the default route points?
    a. Default gateway
    b. DNS server
    c. NTP server
    d. Router endpoint
    Answer: ageeksforgeeks+1
24. Which phrase best describes the role of default routing in networking?
    a. Primary route for all traffic
    b. Last resort when no specific route is found
    c. Route for DNS packets only
    d. Backup for failed routes
    Answer: b30dayscoding
25. Default routes are commonly used in what type of network scenario?
    a. Mesh topology
    b. Networks with a single exit point
    c. Ring topology
    d. Cluster computing
    Answer: bgeeksforgeeks
26. How does the longest prefix match interact with the default route?
    a. Default route is always preferred over specific routes
    b. Specific route is chosen before default route if match exists
    c. Default route and specific routes are ignored
    d. Only default route is evaluated
    Answer: bjuniper
27. Why might an administrator override the default route in a cloud VPC?
    a. To increase ARP traffic
    b. To use a custom routing table
    c. To create additional subnets
    d. To restrict DNS traffic
    Answer: bcloud.ibm
28. When is the default route prioritized in a routing lookup?
    a. Always, regardless of matches
    b. Only when no more specific route is found
    c. After all local routes are rejected
    d. Only if the packet is encrypted
    Answer: bjuniper+1
29. What is the primary purpose of a default route in cloud security?
    a. Prevent packet loss
    b. Control outbound traffic paths
    c. Encrypt data in transit
    d. Synchronize DNS zones
    Answer: baws.amazon+1
30. What cloud resource can depend on the default route to operate?
    a. Cloud NAT gateway
    b. Cloud SQL database
    c. Cloud Storage bucket
    d. Managed DNS
    Answer: acloud.google
31. How many default routes can a VPC typically have for internet access?
    a. Zero
    b. One
    c. Two
    d. Unlimited
    Answer: bcloud.google
32. What is the next hop for the default route in Google Cloud?
    a. A VPN connection
    b. The internet gateway
    c. A NAT instance only
    d. Internal DNS server
    Answer: bcloud.google
33. What is the default action if no matching route is found in IBM Cloud custom routing?
    a. Accept packet
    b. Drop packet
    c. Redirect packet to DNS
    d. Encrypt packet
    Answer: bcloud.ibm
34. What command enables a default static route on Cisco IOS?
    a. ip route 0.0.0.0 0.0.0.0 <next-hop>
    b. route add default
    c. set default-route <ip>
    d. add static-gateway
    Answer: ageeksforgeeks
35. Why do cloud platforms auto-generate default routes for new networks?
    a. For security compliance
    b. To ensure outbound connectivity
    c. To increase routing table sizes
    d. To block public IP access
    Answer: bcloud.google
36. With default routes, what is possible for internal subnets?
    a. Block internet access by removing default route
    b. Increase subnet migration speed
    c. Encrypt all ARP traffic
    d. Enable external BGP routing
    Answer: acloud.ibm
37. In routing tables, which route is chosen first?
    a. Default route always
    b. Most specific match
    c. Random route
    d. Static route only
    Answer: bjuniper
38. How can an admin customize egress routing in IBM Cloud?
    a. Build NAT gateway
    b. Use custom routing tables
    c. Increase subnet mask size
    d. Disable DHCP
    Answer: bcloud.ibm
39. The absence of a default route for a subnet means?
    a. No external internet access
    b. All packets are broadcast
    c. Only DNS traffic passes
    d. Load balancing is enabled
    Answer: acloud.ibm+1
40. In cloud networking, default routes support which traffic path?
    a. Intra-zone only
    b. External communications
    c. Internal ARP requests
    d. Local multicast
    Answer: bjuniper+1
41. What is the CIDR of a default route for all networks in IPv4?
    a. 255.255.255.255/32
    b. 0.0.0.0/0
    c. 192.168.1.1/24
    d. 10.10.10.10/32
    Answer: bjuniper+1
42. Which device will receive a packet if no route matches and default is set?
    a. NTP server
    b. Gateway specified in default route
    c. Internal DNS server
    d. Load balancer
    Answer: bjuniper
43. What network function virtualization may leverage cloud default routing?
    a. VLAN tagging only
    b. Firewall, load balancing
    c. SSH tunneling
    d. ARP broadcasting
    Answer: bcloud.ibm
44. Which network device is commonly the default gateway in cloud infrastructure?
    a. Switch
    b. Router
    c. Hub
    d. Bridge
    Answer: bgeeksforgeeks+1
45. What risk is mitigated by removing default routes from certain subnets in cloud networking?
    a. Unauthorized internet exposure
    b. Loss of encryption
    c. Reduced DNS performance
    d. Increased ARP traffic
    Answer: acloud.ibm
46. What is the significance of /0 in IP routing?
    a. Maximum subnet specificity
    b. Matches all possible addresses
    c. Enables DNS resolution
    d. Matches only one network
    Answer: bjuniper+1
47. Why would packets be dropped in a cloud VPC using system-implicit routing?
    a. Default route misconfigured
    b. No matching route in the table
    c. TCP port blocked
    d. ARP flood occurs
    Answer: bcloud.ibm
48. What type of traffic does the default route for internet handle in a VPC?
    a. Traffic to internal subnets exclusively
    b. Traffic to external IPs including the internet
    c. Encrypted packets only
    d. BGP traffic only
    Answer: baws.amazon+1
49. What is the main impact of having a default route in a simple cloud routing table?
    a. Improves packet prioritization for ARP
    b. Enables connectivity to unknown destinations
    c. Encrypts packet data
    d. Restricts number of subnets
    Answer: b30dayscoding+2
50. What is the default next-hop address action usually set in cloud VPC default routing?
    a. Forward to NAT instance
    b. Forward to internet gateway
    c. Forward to load balancer
    d. Block packet
    Answer: baws.amazon+1

1. https://www.juniper.net/documentation/us/en/software/junos/is-is/topics/concept/default-route-understanding.html
2. https://docs.aws.amazon.com/vpc/latest/userguide/VPC_Route_Tables.html
3. https://www.geeksforgeeks.org/computer-networks/default-route-in-cisco-routers/
4. https://cloud.ibm.com/docs/vpc?topic=vpc-about-custom-routes
5. https://cloud.google.com/vpc/docs/routes
6. https://30dayscoding.com/blog/default-routing-in-networking
7. https://www.geeksforgeeks.org/computer-networks/default-gateway-in-networking/
8. https://www.placementpreparation.io/mcq/cloud-computing/
9. https://www.sanfoundry.com/1000-cloud-computing-questions-answers/
10. https://byjus.com/gate/cloud-computing-mcqs/
11. https://www.examveda.com/computer-science/practice-mcq-question-on-cloud-computing/
12. https://www.studocu.com/in/document/priyadarshini-engineering-college/computer-technology/cloud-computing-mcq-practice-question-bank/35025121
13. https://www.scribd.com/document/798168434/Cloud-Computing-Multiple-Choice-Questions-accenture
14. https://www.interviewbit.com/cloud-computing-mcq/
15. https://cloud.google.com/network-connectivity/docs/router/concepts/best-practices
16. https://ipcisco.com/quiz/static-routes/
17. https://dev.to/ajayid10/step-by-step-guide-to-network-routing-configuration-1465
18. https://www.vinsys.com/blog/aws-cloud-practitioner-certification-exam-mcqs
19. https://docs.oracle.com/en-us/iaas/Content/Network/Concepts/routingonprem2.htm
20. https://hungrymind.in/wp-content/uploads/2020/10/Final-Year-Computer-Engineering-Cloud-Computing-MCQs.pdf