FortiOS Memory Architecture Quiz

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Which type of cache is used to speed up hard disk and flash disk writing and reading operations?

system I/O cache (correct)

inode_cache

arp_cache

dentry_cache

What is the purpose of the kernel memory slabs?

To store information about the system I/O cache

To store information about the route cache

To store information about TCP sessions

To store information about the kernel (correct)

Which command displays the total amount of memory allocated for the I/O cache?

diagnose hardware sysinfo memory (correct)

diagnose sys top {refresh time sec} {number of_lines}

diagnose hardware sysinfo cache

diagnose hardware sysinfo shm

What is the purpose of shared memory (SHM)?

To allow processes to share information Signup and view all the answers

Which process applies configuration changes?

cmdbsrv Signup and view all the answers

Which process is responsible for logs collection and automation stitches?

miglogd Signup and view all the answers

Which process provides GUI access?

httpsd Signup and view all the answers

Which process is responsible for SSL-VPN?

sslvpnd Signup and view all the answers

Which process is responsible for FortiGuard updates?

updated Signup and view all the answers

Which command can be used to display process ID number, state, memory use, and CPU use?

diagnose sys top {refresh time sec} {number of_lines} Signup and view all the answers

Which component of FortiOS is responsible for making basic and important decisions, such as routing packets and offloading sessions?

Kernel Signup and view all the answers

Where does the user space reside in the FortiOS architecture?

Above the kernel Signup and view all the answers

In a 64-bit FortiOS architecture, does the kernel need to use memory paging to access the entire memory space?

No, the kernel can directly access the entire memory space Signup and view all the answers

Which command can be used to retrieve information about the system memory in FortiGate?

diagnose hardware sysinfo memory Signup and view all the answers

What is the purpose of kernel memory slabs in FortiOS?

Used by the kernel to allocate memory for specific purposes Signup and view all the answers

Which of the following is NOT an example of a kernel memory slab in FortiOS?

user_session Signup and view all the answers

What is the purpose of system I/O cache in FortiOS?

Caching system I/O operations Signup and view all the answers

Which component of FortiOS is responsible for allocating memory for process-specific data?

Process memory Signup and view all the answers

What is the purpose of shared memory in FortiOS?

Facilitating communication between processes Signup and view all the answers

How many main purposes does FortiGate allocate memory for?

Five Signup and view all the answers